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Finding the Fourth Proportional to 225,564.75, 338,347.13 and 67,793.36

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Solution

The fourth proportional to 225,564.75, 338,347.13 and 67,793.36 is: 101,690.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,564.75 : 338,347.13 = 67,793.36 : x
  2. Step 2: Convert to fraction form
    225,564.75/338,347.13 = 67,793.36/x
  3. Step 3: Cross multiply
    225,564.75x = 338,347.13 × 67,793.36
  4. Step 4: Simplify right side
    225,564.75x = 22,937,686,758.35
  5. Step 5: Solve for x
    x = 22,937,686,758.35/225,564.75
  6. Step 6: Final answer
    x = 101,690.03

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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.