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Finding the Fourth Proportional to 71,544.57, 98,731.89 and 44,702.65

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Solution

The fourth proportional to 71,544.57, 98,731.89 and 44,702.65 is: 61,689.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,544.57 : 98,731.89 = 44,702.65 : x
  2. Step 2: Convert to fraction form
    71,544.57/98,731.89 = 44,702.65/x
  3. Step 3: Cross multiply
    71,544.57x = 98,731.89 × 44,702.65
  4. Step 4: Simplify right side
    71,544.57x = 4,413,577,122.51
  5. Step 5: Solve for x
    x = 4,413,577,122.51/71,544.57
  6. Step 6: Final answer
    x = 61,689.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.