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Finding the Fourth Proportional to 173,691.90, 260,562.15 and 73,851.30

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Solution

The fourth proportional to 173,691.90, 260,562.15 and 73,851.30 is: 110,787.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,691.90 : 260,562.15 = 73,851.30 : x
  2. Step 2: Convert to fraction form
    173,691.90/260,562.15 = 73,851.30/x
  3. Step 3: Cross multiply
    173,691.90x = 260,562.15 × 73,851.30
  4. Step 4: Simplify right side
    173,691.90x = 19,242,853,508.30
  5. Step 5: Solve for x
    x = 19,242,853,508.30/173,691.90
  6. Step 6: Final answer
    x = 110,787.28

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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.