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Finding the Fourth Proportional to 135,244.80, 202,867.20 and 35,404.80

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Solution

The fourth proportional to 135,244.80, 202,867.20 and 35,404.80 is: 53,107.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,244.80 : 202,867.20 = 35,404.80 : x
  2. Step 2: Convert to fraction form
    135,244.80/202,867.20 = 35,404.80/x
  3. Step 3: Cross multiply
    135,244.80x = 202,867.20 × 35,404.80
  4. Step 4: Simplify right side
    135,244.80x = 7,182,472,642.56
  5. Step 5: Solve for x
    x = 7,182,472,642.56/135,244.80
  6. Step 6: Final answer
    x = 53,107.20

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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.