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Finding the Fourth Proportional to 240,132.79, 331,355.05 and 132,696.42

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Solution

The fourth proportional to 240,132.79, 331,355.05 and 132,696.42 is: 183,105.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,132.79 : 331,355.05 = 132,696.42 : x
  2. Step 2: Convert to fraction form
    240,132.79/331,355.05 = 132,696.42/x
  3. Step 3: Cross multiply
    240,132.79x = 331,355.05 × 132,696.42
  4. Step 4: Simplify right side
    240,132.79x = 43,969,628,883.92
  5. Step 5: Solve for x
    x = 43,969,628,883.92/240,132.79
  6. Step 6: Final answer
    x = 183,105.48

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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.