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Finding the Fourth Proportional to 167,449.68, 231,073.56 and 99,472.86

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Solution

The fourth proportional to 167,449.68, 231,073.56 and 99,472.86 is: 137,268.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,449.68 : 231,073.56 = 99,472.86 : x
  2. Step 2: Convert to fraction form
    167,449.68/231,073.56 = 99,472.86/x
  3. Step 3: Cross multiply
    167,449.68x = 231,073.56 × 99,472.86
  4. Step 4: Simplify right side
    167,449.68x = 22,985,547,883.58
  5. Step 5: Solve for x
    x = 22,985,547,883.58/167,449.68
  6. Step 6: Final answer
    x = 137,268.39

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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.