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Finding the Fourth Proportional to 67,306.96, 100,935.31 and 22,320.08

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Solution

The fourth proportional to 67,306.96, 100,935.31 and 22,320.08 is: 33,471.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,306.96 : 100,935.31 = 22,320.08 : x
  2. Step 2: Convert to fraction form
    67,306.96/100,935.31 = 22,320.08/x
  3. Step 3: Cross multiply
    67,306.96x = 100,935.31 × 22,320.08
  4. Step 4: Simplify right side
    67,306.96x = 2,252,884,194.02
  5. Step 5: Solve for x
    x = 2,252,884,194.02/67,306.96
  6. Step 6: Final answer
    x = 33,471.79

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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.