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Finding the Fourth Proportional to 95,901.70, 143,925.99 and 67,761.22

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Solution

The fourth proportional to 95,901.70, 143,925.99 and 67,761.22 is: 101,693.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,901.70 : 143,925.99 = 67,761.22 : x
  2. Step 2: Convert to fraction form
    95,901.70/143,925.99 = 67,761.22/x
  3. Step 3: Cross multiply
    95,901.70x = 143,925.99 × 67,761.22
  4. Step 4: Simplify right side
    95,901.70x = 9,752,600,672.11
  5. Step 5: Solve for x
    x = 9,752,600,672.11/95,901.70
  6. Step 6: Final answer
    x = 101,693.72

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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.