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Finding the Fourth Proportional to 124,517.40, 171,833.66 and 67,928.38

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Solution

The fourth proportional to 124,517.40, 171,833.66 and 67,928.38 is: 93,740.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,517.40 : 171,833.66 = 67,928.38 : x
  2. Step 2: Convert to fraction form
    124,517.40/171,833.66 = 67,928.38/x
  3. Step 3: Cross multiply
    124,517.40x = 171,833.66 × 67,928.38
  4. Step 4: Simplify right side
    124,517.40x = 11,672,382,153.27
  5. Step 5: Solve for x
    x = 11,672,382,153.27/124,517.40
  6. Step 6: Final answer
    x = 93,740.97

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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.