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Finding the Fourth Proportional to 185,549.82, 278,472.33 and 67,254.90

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Solution

The fourth proportional to 185,549.82, 278,472.33 and 67,254.90 is: 100,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,549.82 : 278,472.33 = 67,254.90 : x
  2. Step 2: Convert to fraction form
    185,549.82/278,472.33 = 67,254.90/x
  3. Step 3: Cross multiply
    185,549.82x = 278,472.33 × 67,254.90
  4. Step 4: Simplify right side
    185,549.82x = 18,728,628,706.92
  5. Step 5: Solve for x
    x = 18,728,628,706.92/185,549.82
  6. Step 6: Final answer
    x = 100,935.85

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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.