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Finding the Fourth Proportional to 67,881.68, 101,854.92 and 32,801.84

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Solution

The fourth proportional to 67,881.68, 101,854.92 and 32,801.84 is: 49,218.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,881.68 : 101,854.92 = 32,801.84 : x
  2. Step 2: Convert to fraction form
    67,881.68/101,854.92 = 32,801.84/x
  3. Step 3: Cross multiply
    67,881.68x = 101,854.92 × 32,801.84
  4. Step 4: Simplify right side
    67,881.68x = 3,341,028,789.05
  5. Step 5: Solve for x
    x = 3,341,028,789.05/67,881.68
  6. Step 6: Final answer
    x = 49,218.42

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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.