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Finding the Fourth Proportional to 168,476.88, 232,414.12 and 100,445.88

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Solution

The fourth proportional to 168,476.88, 232,414.12 and 100,445.88 is: 138,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,476.88 : 232,414.12 = 100,445.88 : x
  2. Step 2: Convert to fraction form
    168,476.88/232,414.12 = 100,445.88/x
  3. Step 3: Cross multiply
    168,476.88x = 232,414.12 × 100,445.88
  4. Step 4: Simplify right side
    168,476.88x = 23,345,040,807.83
  5. Step 5: Solve for x
    x = 23,345,040,807.83/168,476.88
  6. Step 6: Final answer
    x = 138,565.25

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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.