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Finding the Fourth Proportional to 132,156.61, 182,376.03 and 74,794.87

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Solution

The fourth proportional to 132,156.61, 182,376.03 and 74,794.87 is: 103,216.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,156.61 : 182,376.03 = 74,794.87 : x
  2. Step 2: Convert to fraction form
    132,156.61/182,376.03 = 74,794.87/x
  3. Step 3: Cross multiply
    132,156.61x = 182,376.03 × 74,794.87
  4. Step 4: Simplify right side
    132,156.61x = 13,640,791,454.97
  5. Step 5: Solve for x
    x = 13,640,791,454.97/132,156.61
  6. Step 6: Final answer
    x = 103,216.87

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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.