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Finding the Fourth Proportional to 118,312.31, 177,468.92 and 29,565.91

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Solution

The fourth proportional to 118,312.31, 177,468.92 and 29,565.91 is: 44,348.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,312.31 : 177,468.92 = 29,565.91 : x
  2. Step 2: Convert to fraction form
    118,312.31/177,468.92 = 29,565.91/x
  3. Step 3: Cross multiply
    118,312.31x = 177,468.92 × 29,565.91
  4. Step 4: Simplify right side
    118,312.31x = 5,247,030,116.52
  5. Step 5: Solve for x
    x = 5,247,030,116.52/118,312.31
  6. Step 6: Final answer
    x = 44,348.98

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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.