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Finding the Fourth Proportional to 122,238.84, 168,681.11 and 67,793.88

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Solution

The fourth proportional to 122,238.84, 168,681.11 and 67,793.88 is: 93,550.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,238.84 : 168,681.11 = 67,793.88 : x
  2. Step 2: Convert to fraction form
    122,238.84/168,681.11 = 67,793.88/x
  3. Step 3: Cross multiply
    122,238.84x = 168,681.11 × 67,793.88
  4. Step 4: Simplify right side
    122,238.84x = 11,435,546,929.61
  5. Step 5: Solve for x
    x = 11,435,546,929.61/122,238.84
  6. Step 6: Final answer
    x = 93,550.85

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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.