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Finding the Fourth Proportional to 123,069.40, 169,839.33 and 69,351.46

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Solution

The fourth proportional to 123,069.40, 169,839.33 and 69,351.46 is: 95,707.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,069.40 : 169,839.33 = 69,351.46 : x
  2. Step 2: Convert to fraction form
    123,069.40/169,839.33 = 69,351.46/x
  3. Step 3: Cross multiply
    123,069.40x = 169,839.33 × 69,351.46
  4. Step 4: Simplify right side
    123,069.40x = 11,778,605,500.92
  5. Step 5: Solve for x
    x = 11,778,605,500.92/123,069.40
  6. Step 6: Final answer
    x = 95,707.02

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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.