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Finding the Fourth Proportional to 122,591.93, 169,177.01 and 68,876.91

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Solution

The fourth proportional to 122,591.93, 169,177.01 and 68,876.91 is: 95,050.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,591.93 : 169,177.01 = 68,876.91 : x
  2. Step 2: Convert to fraction form
    122,591.93/169,177.01 = 68,876.91/x
  3. Step 3: Cross multiply
    122,591.93x = 169,177.01 × 68,876.91
  4. Step 4: Simplify right side
    122,591.93x = 11,652,389,347.45
  5. Step 5: Solve for x
    x = 11,652,389,347.45/122,591.93
  6. Step 6: Final answer
    x = 95,050.22

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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.