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Finding the Fourth Proportional to 95,289.80, 131,508 and 52,862

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Solution

The fourth proportional to 95,289.80, 131,508 and 52,862 is: 72,954.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,289.80 : 131,508 = 52,862 : x
  2. Step 2: Convert to fraction form
    95,289.80/131,508 = 52,862/x
  3. Step 3: Cross multiply
    95,289.80x = 131,508 × 52,862
  4. Step 4: Simplify right side
    95,289.80x = 6,951,775,896
  5. Step 5: Solve for x
    x = 6,951,775,896/95,289.80
  6. Step 6: Final answer
    x = 72,954.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.