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Finding the Fourth Proportional to 169,697.60, 254,546.40 and 130,452.80

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Solution

The fourth proportional to 169,697.60, 254,546.40 and 130,452.80 is: 195,679.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,697.60 : 254,546.40 = 130,452.80 : x
  2. Step 2: Convert to fraction form
    169,697.60/254,546.40 = 130,452.80/x
  3. Step 3: Cross multiply
    169,697.60x = 254,546.40 × 130,452.80
  4. Step 4: Simplify right side
    169,697.60x = 33,206,290,609.92
  5. Step 5: Solve for x
    x = 33,206,290,609.92/169,697.60
  6. Step 6: Final answer
    x = 195,679.20

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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.