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Finding the Fourth Proportional to 153,774.93, 230,696.25 and 47,173.56

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Solution

The fourth proportional to 153,774.93, 230,696.25 and 47,173.56 is: 70,770.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,774.93 : 230,696.25 = 47,173.56 : x
  2. Step 2: Convert to fraction form
    153,774.93/230,696.25 = 47,173.56/x
  3. Step 3: Cross multiply
    153,774.93x = 230,696.25 × 47,173.56
  4. Step 4: Simplify right side
    153,774.93x = 10,882,763,391.15
  5. Step 5: Solve for x
    x = 10,882,763,391.15/153,774.93
  6. Step 6: Final answer
    x = 70,770.73

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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.