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Finding the Fourth Proportional to 225,206.82, 337,771.35 and 67,392.90

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Solution

The fourth proportional to 225,206.82, 337,771.35 and 67,392.90 is: 101,077.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,206.82 : 337,771.35 = 67,392.90 : x
  2. Step 2: Convert to fraction form
    225,206.82/337,771.35 = 67,392.90/x
  3. Step 3: Cross multiply
    225,206.82x = 337,771.35 × 67,392.90
  4. Step 4: Simplify right side
    225,206.82x = 22,763,390,813.42
  5. Step 5: Solve for x
    x = 22,763,390,813.42/225,206.82
  6. Step 6: Final answer
    x = 101,077.72

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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.