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Finding the Fourth Proportional to 111,665.60, 167,440.80 and 41,508.80

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Solution

The fourth proportional to 111,665.60, 167,440.80 and 41,508.80 is: 62,241.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,665.60 : 167,440.80 = 41,508.80 : x
  2. Step 2: Convert to fraction form
    111,665.60/167,440.80 = 41,508.80/x
  3. Step 3: Cross multiply
    111,665.60x = 167,440.80 × 41,508.80
  4. Step 4: Simplify right side
    111,665.60x = 6,950,266,679.04
  5. Step 5: Solve for x
    x = 6,950,266,679.04/111,665.60
  6. Step 6: Final answer
    x = 62,241.79

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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.