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Finding the Fourth Proportional to 101,142.54, 151,702.02 and 63,591.78

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Solution

The fourth proportional to 101,142.54, 151,702.02 and 63,591.78 is: 95,380.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,142.54 : 151,702.02 = 63,591.78 : x
  2. Step 2: Convert to fraction form
    101,142.54/151,702.02 = 63,591.78/x
  3. Step 3: Cross multiply
    101,142.54x = 151,702.02 × 63,591.78
  4. Step 4: Simplify right side
    101,142.54x = 9,647,001,481.40
  5. Step 5: Solve for x
    x = 9,647,001,481.40/101,142.54
  6. Step 6: Final answer
    x = 95,380.26

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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.