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Finding the Fourth Proportional to 67,918.97, 101,878.50 and 23,545.76

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Solution

The fourth proportional to 67,918.97, 101,878.50 and 23,545.76 is: 35,318.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,918.97 : 101,878.50 = 23,545.76 : x
  2. Step 2: Convert to fraction form
    67,918.97/101,878.50 = 23,545.76/x
  3. Step 3: Cross multiply
    67,918.97x = 101,878.50 × 23,545.76
  4. Step 4: Simplify right side
    67,918.97x = 2,398,806,200.77
  5. Step 5: Solve for x
    x = 2,398,806,200.77/67,918.97
  6. Step 6: Final answer
    x = 35,318.65

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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.