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Finding the Fourth Proportional to 179,805.76, 269,737.86 and 67,494.80

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Solution

The fourth proportional to 179,805.76, 269,737.86 and 67,494.80 is: 101,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,805.76 : 269,737.86 = 67,494.80 : x
  2. Step 2: Convert to fraction form
    179,805.76/269,737.86 = 67,494.80/x
  3. Step 3: Cross multiply
    179,805.76x = 269,737.86 × 67,494.80
  4. Step 4: Simplify right side
    179,805.76x = 18,205,902,913.13
  5. Step 5: Solve for x
    x = 18,205,902,913.13/179,805.76
  6. Step 6: Final answer
    x = 101,253.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.