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Finding the Fourth Proportional to 89,937.61, 134,912.25 and 29,963.53

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Solution

The fourth proportional to 89,937.61, 134,912.25 and 29,963.53 is: 44,947.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,937.61 : 134,912.25 = 29,963.53 : x
  2. Step 2: Convert to fraction form
    89,937.61/134,912.25 = 29,963.53/x
  3. Step 3: Cross multiply
    89,937.61x = 134,912.25 × 29,963.53
  4. Step 4: Simplify right side
    89,937.61x = 4,042,447,250.24
  5. Step 5: Solve for x
    x = 4,042,447,250.24/89,937.61
  6. Step 6: Final answer
    x = 44,947.24

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Why These Related Problems?

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