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Finding the Fourth Proportional to 167,354.16, 230,948.73 and 90,872.88

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Solution

The fourth proportional to 167,354.16, 230,948.73 and 90,872.88 is: 125,404.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,354.16 : 230,948.73 = 90,872.88 : x
  2. Step 2: Convert to fraction form
    167,354.16/230,948.73 = 90,872.88/x
  3. Step 3: Cross multiply
    167,354.16x = 230,948.73 × 90,872.88
  4. Step 4: Simplify right side
    167,354.16x = 20,986,976,227.44
  5. Step 5: Solve for x
    x = 20,986,976,227.44/167,354.16
  6. Step 6: Final answer
    x = 125,404.57

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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.