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Finding the Fourth Proportional to 113,481.52, 156,601.72 and 63,179.44

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Solution

The fourth proportional to 113,481.52, 156,601.72 and 63,179.44 is: 87,186.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,481.52 : 156,601.72 = 63,179.44 : x
  2. Step 2: Convert to fraction form
    113,481.52/156,601.72 = 63,179.44/x
  3. Step 3: Cross multiply
    113,481.52x = 156,601.72 × 63,179.44
  4. Step 4: Simplify right side
    113,481.52x = 9,894,008,972.64
  5. Step 5: Solve for x
    x = 9,894,008,972.64/113,481.52
  6. Step 6: Final answer
    x = 87,186.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.