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Finding the Fourth Proportional to 149,713.10, 224,569.65 and 60,920.90

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Solution

The fourth proportional to 149,713.10, 224,569.65 and 60,920.90 is: 91,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,713.10 : 224,569.65 = 60,920.90 : x
  2. Step 2: Convert to fraction form
    149,713.10/224,569.65 = 60,920.90/x
  3. Step 3: Cross multiply
    149,713.10x = 224,569.65 × 60,920.90
  4. Step 4: Simplify right side
    149,713.10x = 13,680,985,190.69
  5. Step 5: Solve for x
    x = 13,680,985,190.69/149,713.10
  6. Step 6: Final answer
    x = 91,381.35

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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.