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Finding the Fourth Proportional to 71,265.52, 98,339.72 and 48,248.52

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Solution

The fourth proportional to 71,265.52, 98,339.72 and 48,248.52 is: 66,578.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,265.52 : 98,339.72 = 48,248.52 : x
  2. Step 2: Convert to fraction form
    71,265.52/98,339.72 = 48,248.52/x
  3. Step 3: Cross multiply
    71,265.52x = 98,339.72 × 48,248.52
  4. Step 4: Simplify right side
    71,265.52x = 4,744,745,947.21
  5. Step 5: Solve for x
    x = 4,744,745,947.21/71,265.52
  6. Step 6: Final answer
    x = 66,578.42

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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.