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Finding the Fourth Proportional to 149,687.82, 224,531.10 and 60,920.28

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Solution

The fourth proportional to 149,687.82, 224,531.10 and 60,920.28 is: 91,380.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,687.82 : 224,531.10 = 60,920.28 : x
  2. Step 2: Convert to fraction form
    149,687.82/224,531.10 = 60,920.28/x
  3. Step 3: Cross multiply
    149,687.82x = 224,531.10 × 60,920.28
  4. Step 4: Simplify right side
    149,687.82x = 13,678,497,480.71
  5. Step 5: Solve for x
    x = 13,678,497,480.71/149,687.82
  6. Step 6: Final answer
    x = 91,380.16

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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.