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Finding the Fourth Proportional to 322,139.84, 444,540.81 and 178,909.11

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Solution

The fourth proportional to 322,139.84, 444,540.81 and 178,909.11 is: 246,887.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,139.84 : 444,540.81 = 178,909.11 : x
  2. Step 2: Convert to fraction form
    322,139.84/444,540.81 = 178,909.11/x
  3. Step 3: Cross multiply
    322,139.84x = 444,540.81 × 178,909.11
  4. Step 4: Simplify right side
    322,139.84x = 79,532,400,340.32
  5. Step 5: Solve for x
    x = 79,532,400,340.32/322,139.84
  6. Step 6: Final answer
    x = 246,887.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.