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Finding the Fourth Proportional to 92,252.92, 138,398.82 and 29,918.56

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Solution

The fourth proportional to 92,252.92, 138,398.82 and 29,918.56 is: 44,884.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,252.92 : 138,398.82 = 29,918.56 : x
  2. Step 2: Convert to fraction form
    92,252.92/138,398.82 = 29,918.56/x
  3. Step 3: Cross multiply
    92,252.92x = 138,398.82 × 29,918.56
  4. Step 4: Simplify right side
    92,252.92x = 4,140,693,400.10
  5. Step 5: Solve for x
    x = 4,140,693,400.10/92,252.92
  6. Step 6: Final answer
    x = 44,884.14

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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.