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Finding the Fourth Proportional to 71,348.43, 98,241.01 and 63,376.82

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Solution

The fourth proportional to 71,348.43, 98,241.01 and 63,376.82 is: 87,264.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,348.43 : 98,241.01 = 63,376.82 : x
  2. Step 2: Convert to fraction form
    71,348.43/98,241.01 = 63,376.82/x
  3. Step 3: Cross multiply
    71,348.43x = 98,241.01 × 63,376.82
  4. Step 4: Simplify right side
    71,348.43x = 6,226,202,807.39
  5. Step 5: Solve for x
    x = 6,226,202,807.39/71,348.43
  6. Step 6: Final answer
    x = 87,264.75

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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.