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Finding the Fourth Proportional to 123,141, 169,934.31 and 69,425.64

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Solution

The fourth proportional to 123,141, 169,934.31 and 69,425.64 is: 95,807.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,141 : 169,934.31 = 69,425.64 : x
  2. Step 2: Convert to fraction form
    123,141/169,934.31 = 69,425.64/x
  3. Step 3: Cross multiply
    123,141x = 169,934.31 × 69,425.64
  4. Step 4: Simplify right side
    123,141x = 11,797,798,229.71
  5. Step 5: Solve for x
    x = 11,797,798,229.71/123,141
  6. Step 6: Final answer
    x = 95,807.23

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