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Finding the Fourth Proportional to 105,819,267,072.45, 158,728,900,608.67 and 105,819,267,072.45

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Solution

The fourth proportional to 105,819,267,072.45, 158,728,900,608.67 and 105,819,267,072.45 is: 158,728,900,608.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,819,267,072.45 : 158,728,900,608.67 = 105,819,267,072.45 : x
  2. Step 2: Convert to fraction form
    105,819,267,072.45/158,728,900,608.67 = 105,819,267,072.45/x
  3. Step 3: Cross multiply
    105,819,267,072.45x = 158,728,900,608.67 × 105,819,267,072.45
  4. Step 4: Simplify right side
    105,819,267,072.45x = 16,796,575,925,625,222,594,560
  5. Step 5: Solve for x
    x = 16,796,575,925,625,222,594,560/105,819,267,072.45
  6. Step 6: Final answer
    x = 158,728,900,608.67

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.