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Finding the Fourth Proportional to 113,801.52, 157,046.08 and 63,500.52

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Solution

The fourth proportional to 113,801.52, 157,046.08 and 63,500.52 is: 87,630.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,801.52 : 157,046.08 = 63,500.52 : x
  2. Step 2: Convert to fraction form
    113,801.52/157,046.08 = 63,500.52/x
  3. Step 3: Cross multiply
    113,801.52x = 157,046.08 × 63,500.52
  4. Step 4: Simplify right side
    113,801.52x = 9,972,507,743.96
  5. Step 5: Solve for x
    x = 9,972,507,743.96/113,801.52
  6. Step 6: Final answer
    x = 87,630.71

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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.