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Finding the Fourth Proportional to 111,377.40, 167,066.10 and 55,195.80

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Solution

The fourth proportional to 111,377.40, 167,066.10 and 55,195.80 is: 82,793.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,377.40 : 167,066.10 = 55,195.80 : x
  2. Step 2: Convert to fraction form
    111,377.40/167,066.10 = 55,195.80/x
  3. Step 3: Cross multiply
    111,377.40x = 167,066.10 × 55,195.80
  4. Step 4: Simplify right side
    111,377.40x = 9,221,347,042.38
  5. Step 5: Solve for x
    x = 9,221,347,042.38/111,377.40
  6. Step 6: Final answer
    x = 82,793.70

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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.