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Finding the Fourth Proportional to 168,474.40, 232,493.20 and 91,993.14

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Solution

The fourth proportional to 168,474.40, 232,493.20 and 91,993.14 is: 126,949.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,474.40 : 232,493.20 = 91,993.14 : x
  2. Step 2: Convert to fraction form
    168,474.40/232,493.20 = 91,993.14/x
  3. Step 3: Cross multiply
    168,474.40x = 232,493.20 × 91,993.14
  4. Step 4: Simplify right side
    168,474.40x = 21,387,779,266.67
  5. Step 5: Solve for x
    x = 21,387,779,266.67/168,474.40
  6. Step 6: Final answer
    x = 126,949.73

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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.