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Finding the Fourth Proportional to 216,462.43, 298,694.99 and 125,799.43

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Solution

The fourth proportional to 216,462.43, 298,694.99 and 125,799.43 is: 173,589.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,462.43 : 298,694.99 = 125,799.43 : x
  2. Step 2: Convert to fraction form
    216,462.43/298,694.99 = 125,799.43/x
  3. Step 3: Cross multiply
    216,462.43x = 298,694.99 × 125,799.43
  4. Step 4: Simplify right side
    216,462.43x = 37,575,659,613.67
  5. Step 5: Solve for x
    x = 37,575,659,613.67/216,462.43
  6. Step 6: Final answer
    x = 173,589.76

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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.