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Finding the Fourth Proportional to 123,775.73, 185,497.29 and 67,531.56

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Solution

The fourth proportional to 123,775.73, 185,497.29 and 67,531.56 is: 101,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,775.73 : 185,497.29 = 67,531.56 : x
  2. Step 2: Convert to fraction form
    123,775.73/185,497.29 = 67,531.56/x
  3. Step 3: Cross multiply
    123,775.73x = 185,497.29 × 67,531.56
  4. Step 4: Simplify right side
    123,775.73x = 12,526,921,369.47
  5. Step 5: Solve for x
    x = 12,526,921,369.47/123,775.73
  6. Step 6: Final answer
    x = 101,206.60

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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.