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Finding the Fourth Proportional to 168,168.66, 232,072.70 and 91,687.83

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Solution

The fourth proportional to 168,168.66, 232,072.70 and 91,687.83 is: 126,529.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,168.66 : 232,072.70 = 91,687.83 : x
  2. Step 2: Convert to fraction form
    168,168.66/232,072.70 = 91,687.83/x
  3. Step 3: Cross multiply
    168,168.66x = 232,072.70 × 91,687.83
  4. Step 4: Simplify right side
    168,168.66x = 21,278,241,806.80
  5. Step 5: Solve for x
    x = 21,278,241,806.80/168,168.66
  6. Step 6: Final answer
    x = 126,529.17

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1.5x scale

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.