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Finding the Fourth Proportional to 244,258.60, 366,431.10 and 86,578.60

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Solution

The fourth proportional to 244,258.60, 366,431.10 and 86,578.60 is: 129,883.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,258.60 : 366,431.10 = 86,578.60 : x
  2. Step 2: Convert to fraction form
    244,258.60/366,431.10 = 86,578.60/x
  3. Step 3: Cross multiply
    244,258.60x = 366,431.10 × 86,578.60
  4. Step 4: Simplify right side
    244,258.60x = 31,725,091,634.46
  5. Step 5: Solve for x
    x = 31,725,091,634.46/244,258.60
  6. Step 6: Final answer
    x = 129,883.21

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.