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Finding the Fourth Proportional to 144,799.20, 217,198.80 and 134,301.60

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Solution

The fourth proportional to 144,799.20, 217,198.80 and 134,301.60 is: 201,452.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,799.20 : 217,198.80 = 134,301.60 : x
  2. Step 2: Convert to fraction form
    144,799.20/217,198.80 = 134,301.60/x
  3. Step 3: Cross multiply
    144,799.20x = 217,198.80 × 134,301.60
  4. Step 4: Simplify right side
    144,799.20x = 29,170,146,358.08
  5. Step 5: Solve for x
    x = 29,170,146,358.08/144,799.20
  6. Step 6: Final answer
    x = 201,452.40

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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.