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Finding the Fourth Proportional to 111,862.68, 167,793.24 and 45,301.80

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Solution

The fourth proportional to 111,862.68, 167,793.24 and 45,301.80 is: 67,952.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,862.68 : 167,793.24 = 45,301.80 : x
  2. Step 2: Convert to fraction form
    111,862.68/167,793.24 = 45,301.80/x
  3. Step 3: Cross multiply
    111,862.68x = 167,793.24 × 45,301.80
  4. Step 4: Simplify right side
    111,862.68x = 7,601,335,799.83
  5. Step 5: Solve for x
    x = 7,601,335,799.83/111,862.68
  6. Step 6: Final answer
    x = 67,952.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.