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Finding the Fourth Proportional to 92,404.56, 138,623.92 and 29,240.58

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Solution

The fourth proportional to 92,404.56, 138,623.92 and 29,240.58 is: 43,866.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,404.56 : 138,623.92 = 29,240.58 : x
  2. Step 2: Convert to fraction form
    92,404.56/138,623.92 = 29,240.58/x
  3. Step 3: Cross multiply
    92,404.56x = 138,623.92 × 29,240.58
  4. Step 4: Simplify right side
    92,404.56x = 4,053,443,822.67
  5. Step 5: Solve for x
    x = 4,053,443,822.67/92,404.56
  6. Step 6: Final answer
    x = 43,866.27

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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.