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Finding the Fourth Proportional to 88,672.68, 122,371.26 and 48,388.66

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Solution

The fourth proportional to 88,672.68, 122,371.26 and 48,388.66 is: 66,777.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,672.68 : 122,371.26 = 48,388.66 : x
  2. Step 2: Convert to fraction form
    88,672.68/122,371.26 = 48,388.66/x
  3. Step 3: Cross multiply
    88,672.68x = 122,371.26 × 48,388.66
  4. Step 4: Simplify right side
    88,672.68x = 5,921,381,293.91
  5. Step 5: Solve for x
    x = 5,921,381,293.91/88,672.68
  6. Step 6: Final answer
    x = 66,777.97

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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.