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Finding the Fourth Proportional to 88,601, 122,269.38 and 48,857

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Solution

The fourth proportional to 88,601, 122,269.38 and 48,857 is: 67,422.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,601 : 122,269.38 = 48,857 : x
  2. Step 2: Convert to fraction form
    88,601/122,269.38 = 48,857/x
  3. Step 3: Cross multiply
    88,601x = 122,269.38 × 48,857
  4. Step 4: Simplify right side
    88,601x = 5,973,715,098.66
  5. Step 5: Solve for x
    x = 5,973,715,098.66/88,601
  6. Step 6: Final answer
    x = 67,422.66

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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.