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Finding the Fourth Proportional to 168,369.38, 232,348.22 and 91,889.96

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Solution

The fourth proportional to 168,369.38, 232,348.22 and 91,889.96 is: 126,807.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,369.38 : 232,348.22 = 91,889.96 : x
  2. Step 2: Convert to fraction form
    168,369.38/232,348.22 = 91,889.96/x
  3. Step 3: Cross multiply
    168,369.38x = 232,348.22 × 91,889.96
  4. Step 4: Simplify right side
    168,369.38x = 21,350,468,641.87
  5. Step 5: Solve for x
    x = 21,350,468,641.87/168,369.38
  6. Step 6: Final answer
    x = 126,807.31

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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.