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Finding the Fourth Proportional to 88,663.30, 122,354.31 and 48,377.44

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Solution

The fourth proportional to 88,663.30, 122,354.31 and 48,377.44 is: 66,760.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,663.30 : 122,354.31 = 48,377.44 : x
  2. Step 2: Convert to fraction form
    88,663.30/122,354.31 = 48,377.44/x
  3. Step 3: Cross multiply
    88,663.30x = 122,354.31 × 48,377.44
  4. Step 4: Simplify right side
    88,663.30x = 5,919,188,290.77
  5. Step 5: Solve for x
    x = 5,919,188,290.77/88,663.30
  6. Step 6: Final answer
    x = 66,760.30

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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.