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Finding the Fourth Proportional to 123,892.88, 185,836.25 and 35,146.49

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Solution

The fourth proportional to 123,892.88, 185,836.25 and 35,146.49 is: 52,718.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,892.88 : 185,836.25 = 35,146.49 : x
  2. Step 2: Convert to fraction form
    123,892.88/185,836.25 = 35,146.49/x
  3. Step 3: Cross multiply
    123,892.88x = 185,836.25 × 35,146.49
  4. Step 4: Simplify right side
    123,892.88x = 6,531,491,060.95
  5. Step 5: Solve for x
    x = 6,531,491,060.95/123,892.88
  6. Step 6: Final answer
    x = 52,718.86

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.