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Finding the Fourth Proportional to 71,544.75, 98,732.12 and 44,702.81

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Solution

The fourth proportional to 71,544.75, 98,732.12 and 44,702.81 is: 61,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,544.75 : 98,732.12 = 44,702.81 : x
  2. Step 2: Convert to fraction form
    71,544.75/98,732.12 = 44,702.81/x
  3. Step 3: Cross multiply
    71,544.75x = 98,732.12 × 44,702.81
  4. Step 4: Simplify right side
    71,544.75x = 4,413,602,854.33
  5. Step 5: Solve for x
    x = 4,413,602,854.33/71,544.75
  6. Step 6: Final answer
    x = 61,690.10

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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.