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Finding the Fourth Proportional to 132,589.84, 198,726.69 and 92,391.18

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Solution

The fourth proportional to 132,589.84, 198,726.69 and 92,391.18 is: 138,476.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,589.84 : 198,726.69 = 92,391.18 : x
  2. Step 2: Convert to fraction form
    132,589.84/198,726.69 = 92,391.18/x
  3. Step 3: Cross multiply
    132,589.84x = 198,726.69 × 92,391.18
  4. Step 4: Simplify right side
    132,589.84x = 18,360,593,845.82
  5. Step 5: Solve for x
    x = 18,360,593,845.82/132,589.84
  6. Step 6: Final answer
    x = 138,476.63

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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.