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Finding the Fourth Proportional to 92,513.55, 138,787.83 and 29,349.57

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Solution

The fourth proportional to 92,513.55, 138,787.83 and 29,349.57 is: 44,029.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,513.55 : 138,787.83 = 29,349.57 : x
  2. Step 2: Convert to fraction form
    92,513.55/138,787.83 = 29,349.57/x
  3. Step 3: Cross multiply
    92,513.55x = 138,787.83 × 29,349.57
  4. Step 4: Simplify right side
    92,513.55x = 4,073,363,131.73
  5. Step 5: Solve for x
    x = 4,073,363,131.73/92,513.55
  6. Step 6: Final answer
    x = 44,029.91

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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.