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Finding the Fourth Proportional to 92,165.54, 138,248.25 and 52,694.97

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Solution

The fourth proportional to 92,165.54, 138,248.25 and 52,694.97 is: 79,042.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,165.54 : 138,248.25 = 52,694.97 : x
  2. Step 2: Convert to fraction form
    92,165.54/138,248.25 = 52,694.97/x
  3. Step 3: Cross multiply
    92,165.54x = 138,248.25 × 52,694.97
  4. Step 4: Simplify right side
    92,165.54x = 7,284,987,386.30
  5. Step 5: Solve for x
    x = 7,284,987,386.30/92,165.54
  6. Step 6: Final answer
    x = 79,042.42

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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.