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Finding the Fourth Proportional to 141,755.76, 212,487.60 and 62,907.12

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Solution

The fourth proportional to 141,755.76, 212,487.60 and 62,907.12 is: 94,295.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,755.76 : 212,487.60 = 62,907.12 : x
  2. Step 2: Convert to fraction form
    141,755.76/212,487.60 = 62,907.12/x
  3. Step 3: Cross multiply
    141,755.76x = 212,487.60 × 62,907.12
  4. Step 4: Simplify right side
    141,755.76x = 13,366,982,951.71
  5. Step 5: Solve for x
    x = 13,366,982,951.71/141,755.76
  6. Step 6: Final answer
    x = 94,295.87

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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.