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Finding the Fourth Proportional to 111,448.20, 167,123.70 and 44,866.20

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Solution

The fourth proportional to 111,448.20, 167,123.70 and 44,866.20 is: 67,279.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,448.20 : 167,123.70 = 44,866.20 : x
  2. Step 2: Convert to fraction form
    111,448.20/167,123.70 = 44,866.20/x
  3. Step 3: Cross multiply
    111,448.20x = 167,123.70 × 44,866.20
  4. Step 4: Simplify right side
    111,448.20x = 7,498,205,348.94
  5. Step 5: Solve for x
    x = 7,498,205,348.94/111,448.20
  6. Step 6: Final answer
    x = 67,279.73

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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.