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Finding the Fourth Proportional to 234,934.97, 324,062.78 and 139,374

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Solution

The fourth proportional to 234,934.97, 324,062.78 and 139,374 is: 192,248.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,934.97 : 324,062.78 = 139,374 : x
  2. Step 2: Convert to fraction form
    234,934.97/324,062.78 = 139,374/x
  3. Step 3: Cross multiply
    234,934.97x = 324,062.78 × 139,374
  4. Step 4: Simplify right side
    234,934.97x = 45,165,925,202.85
  5. Step 5: Solve for x
    x = 45,165,925,202.85/234,934.97
  6. Step 6: Final answer
    x = 192,248.63

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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.