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Finding the Fourth Proportional to 95,732.79, 143,687.84 and 48,381.20

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Solution

The fourth proportional to 95,732.79, 143,687.84 and 48,381.20 is: 72,616.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,732.79 : 143,687.84 = 48,381.20 : x
  2. Step 2: Convert to fraction form
    95,732.79/143,687.84 = 48,381.20/x
  3. Step 3: Cross multiply
    95,732.79x = 143,687.84 × 48,381.20
  4. Step 4: Simplify right side
    95,732.79x = 6,951,789,164.26
  5. Step 5: Solve for x
    x = 6,951,789,164.26/95,732.79
  6. Step 6: Final answer
    x = 72,616.59

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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.