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Finding the Fourth Proportional to 71,544.33, 98,731.55 and 44,702.39

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Solution

The fourth proportional to 71,544.33, 98,731.55 and 44,702.39 is: 61,689.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,544.33 : 98,731.55 = 44,702.39 : x
  2. Step 2: Convert to fraction form
    71,544.33/98,731.55 = 44,702.39/x
  3. Step 3: Cross multiply
    71,544.33x = 98,731.55 × 44,702.39
  4. Step 4: Simplify right side
    71,544.33x = 4,413,536,611.99
  5. Step 5: Solve for x
    x = 4,413,536,611.99/71,544.33
  6. Step 6: Final answer
    x = 61,689.54

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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.