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Finding the Fourth Proportional to 123,932.67, 171,028.16 and 67,344.04

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Solution

The fourth proportional to 123,932.67, 171,028.16 and 67,344.04 is: 92,935.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,932.67 : 171,028.16 = 67,344.04 : x
  2. Step 2: Convert to fraction form
    123,932.67/171,028.16 = 67,344.04/x
  3. Step 3: Cross multiply
    123,932.67x = 171,028.16 × 67,344.04
  4. Step 4: Simplify right side
    123,932.67x = 11,517,727,248.17
  5. Step 5: Solve for x
    x = 11,517,727,248.17/123,932.67
  6. Step 6: Final answer
    x = 92,935.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.