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Finding the Fourth Proportional to 110,902.80, 166,370.40 and 36,010.20

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Solution

The fourth proportional to 110,902.80, 166,370.40 and 36,010.20 is: 54,020.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,902.80 : 166,370.40 = 36,010.20 : x
  2. Step 2: Convert to fraction form
    110,902.80/166,370.40 = 36,010.20/x
  3. Step 3: Cross multiply
    110,902.80x = 166,370.40 × 36,010.20
  4. Step 4: Simplify right side
    110,902.80x = 5,991,031,378.08
  5. Step 5: Solve for x
    x = 5,991,031,378.08/110,902.80
  6. Step 6: Final answer
    x = 54,020.56

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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.