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Finding the Fourth Proportional to 147,369.90, 220,923.54 and 68,441.10

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Solution

The fourth proportional to 147,369.90, 220,923.54 and 68,441.10 is: 102,600.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,369.90 : 220,923.54 = 68,441.10 : x
  2. Step 2: Convert to fraction form
    147,369.90/220,923.54 = 68,441.10/x
  3. Step 3: Cross multiply
    147,369.90x = 220,923.54 × 68,441.10
  4. Step 4: Simplify right side
    147,369.90x = 15,120,250,093.49
  5. Step 5: Solve for x
    x = 15,120,250,093.49/147,369.90
  6. Step 6: Final answer
    x = 102,600.67

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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.