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Finding the Fourth Proportional to 168,617.88, 232,672.72 and 100,622.24

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Solution

The fourth proportional to 168,617.88, 232,672.72 and 100,622.24 is: 138,846.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,617.88 : 232,672.72 = 100,622.24 : x
  2. Step 2: Convert to fraction form
    168,617.88/232,672.72 = 100,622.24/x
  3. Step 3: Cross multiply
    168,617.88x = 232,672.72 × 100,622.24
  4. Step 4: Simplify right side
    168,617.88x = 23,412,050,273.29
  5. Step 5: Solve for x
    x = 23,412,050,273.29/168,617.88
  6. Step 6: Final answer
    x = 138,846.78

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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.