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Finding the Fourth Proportional to 225,239.40, 337,759.47 and 67,438.44

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Solution

The fourth proportional to 225,239.40, 337,759.47 and 67,438.44 is: 101,127.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,239.40 : 337,759.47 = 67,438.44 : x
  2. Step 2: Convert to fraction form
    225,239.40/337,759.47 = 67,438.44/x
  3. Step 3: Cross multiply
    225,239.40x = 337,759.47 × 67,438.44
  4. Step 4: Simplify right side
    225,239.40x = 22,777,971,752.03
  5. Step 5: Solve for x
    x = 22,777,971,752.03/225,239.40
  6. Step 6: Final answer
    x = 101,127.83

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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.