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Finding the Fourth Proportional to 71,235.60, 98,306.10 and 44,388.96

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Solution

The fourth proportional to 71,235.60, 98,306.10 and 44,388.96 is: 61,257.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,235.60 : 98,306.10 = 44,388.96 : x
  2. Step 2: Convert to fraction form
    71,235.60/98,306.10 = 44,388.96/x
  3. Step 3: Cross multiply
    71,235.60x = 98,306.10 × 44,388.96
  4. Step 4: Simplify right side
    71,235.60x = 4,363,705,540.66
  5. Step 5: Solve for x
    x = 4,363,705,540.66/71,235.60
  6. Step 6: Final answer
    x = 61,257.37

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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.