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Finding the Fourth Proportional to 148,065.49, 222,098.24 and 85,701.97

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Solution

The fourth proportional to 148,065.49, 222,098.24 and 85,701.97 is: 128,552.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,065.49 : 222,098.24 = 85,701.97 : x
  2. Step 2: Convert to fraction form
    148,065.49/222,098.24 = 85,701.97/x
  3. Step 3: Cross multiply
    148,065.49x = 222,098.24 × 85,701.97
  4. Step 4: Simplify right side
    148,065.49x = 19,034,256,701.53
  5. Step 5: Solve for x
    x = 19,034,256,701.53/148,065.49
  6. Step 6: Final answer
    x = 128,552.96

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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.