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Finding the Fourth Proportional to 179,781.63, 269,792.82 and 74,600.70

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Solution

The fourth proportional to 179,781.63, 269,792.82 and 74,600.70 is: 111,951.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,781.63 : 269,792.82 = 74,600.70 : x
  2. Step 2: Convert to fraction form
    179,781.63/269,792.82 = 74,600.70/x
  3. Step 3: Cross multiply
    179,781.63x = 269,792.82 × 74,600.70
  4. Step 4: Simplify right side
    179,781.63x = 20,126,733,226.97
  5. Step 5: Solve for x
    x = 20,126,733,226.97/179,781.63
  6. Step 6: Final answer
    x = 111,951.00

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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.