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Finding the Fourth Proportional to 95,592.56, 143,437.03 and 67,691.90

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Solution

The fourth proportional to 95,592.56, 143,437.03 and 67,691.90 is: 101,571.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,592.56 : 143,437.03 = 67,691.90 : x
  2. Step 2: Convert to fraction form
    95,592.56/143,437.03 = 67,691.90/x
  3. Step 3: Cross multiply
    95,592.56x = 143,437.03 × 67,691.90
  4. Step 4: Simplify right side
    95,592.56x = 9,709,525,280.42
  5. Step 5: Solve for x
    x = 9,709,525,280.42/95,592.56
  6. Step 6: Final answer
    x = 101,571.98

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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.