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Finding the Fourth Proportional to 225,010.40, 337,519.60 and 67,240.80

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Solution

The fourth proportional to 225,010.40, 337,519.60 and 67,240.80 is: 100,862.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,010.40 : 337,519.60 = 67,240.80 : x
  2. Step 2: Convert to fraction form
    225,010.40/337,519.60 = 67,240.80/x
  3. Step 3: Cross multiply
    225,010.40x = 337,519.60 × 67,240.80
  4. Step 4: Simplify right side
    225,010.40x = 22,695,087,919.68
  5. Step 5: Solve for x
    x = 22,695,087,919.68/225,010.40
  6. Step 6: Final answer
    x = 100,862.40

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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.