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Finding the Fourth Proportional to 91,807.32, 137,691.54 and 29,463.24

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Solution

The fourth proportional to 91,807.32, 137,691.54 and 29,463.24 is: 44,188.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,807.32 : 137,691.54 = 29,463.24 : x
  2. Step 2: Convert to fraction form
    91,807.32/137,691.54 = 29,463.24/x
  3. Step 3: Cross multiply
    91,807.32x = 137,691.54 × 29,463.24
  4. Step 4: Simplify right side
    91,807.32x = 4,056,838,888.99
  5. Step 5: Solve for x
    x = 4,056,838,888.99/91,807.32
  6. Step 6: Final answer
    x = 44,188.62

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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.