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Finding the Fourth Proportional to 95,398.97, 143,101.49 and 47,988.15

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Solution

The fourth proportional to 95,398.97, 143,101.49 and 47,988.15 is: 71,983.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,398.97 : 143,101.49 = 47,988.15 : x
  2. Step 2: Convert to fraction form
    95,398.97/143,101.49 = 47,988.15/x
  3. Step 3: Cross multiply
    95,398.97x = 143,101.49 × 47,988.15
  4. Step 4: Simplify right side
    95,398.97x = 6,867,174,990.77
  5. Step 5: Solve for x
    x = 6,867,174,990.77/95,398.97
  6. Step 6: Final answer
    x = 71,983.75

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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.