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Finding the Fourth Proportional to 67,034.62, 99,822.92 and 66,298.33

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Solution

The fourth proportional to 67,034.62, 99,822.92 and 66,298.33 is: 98,726.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,034.62 : 99,822.92 = 66,298.33 : x
  2. Step 2: Convert to fraction form
    67,034.62/99,822.92 = 66,298.33/x
  3. Step 3: Cross multiply
    67,034.62x = 99,822.92 × 66,298.33
  4. Step 4: Simplify right side
    67,034.62x = 6,618,092,891.72
  5. Step 5: Solve for x
    x = 6,618,092,891.72/67,034.62
  6. Step 6: Final answer
    x = 98,726.49

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.