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Finding the Fourth Proportional to 225,066.40, 337,388.40 and 84,919.20

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Solution

The fourth proportional to 225,066.40, 337,388.40 and 84,919.20 is: 127,299.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,066.40 : 337,388.40 = 84,919.20 : x
  2. Step 2: Convert to fraction form
    225,066.40/337,388.40 = 84,919.20/x
  3. Step 3: Cross multiply
    225,066.40x = 337,388.40 × 84,919.20
  4. Step 4: Simplify right side
    225,066.40x = 28,650,753,017.28
  5. Step 5: Solve for x
    x = 28,650,753,017.28/225,066.40
  6. Step 6: Final answer
    x = 127,299.11

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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.