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Finding the Fourth Proportional to 61,147.73, 91,702.67 and 29,538.15

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Solution

The fourth proportional to 61,147.73, 91,702.67 and 29,538.15 is: 44,298.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,147.73 : 91,702.67 = 29,538.15 : x
  2. Step 2: Convert to fraction form
    61,147.73/91,702.67 = 29,538.15/x
  3. Step 3: Cross multiply
    61,147.73x = 91,702.67 × 29,538.15
  4. Step 4: Simplify right side
    61,147.73x = 2,708,727,074.17
  5. Step 5: Solve for x
    x = 2,708,727,074.17/61,147.73
  6. Step 6: Final answer
    x = 44,298.08

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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.