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Finding the Fourth Proportional to 215,694.41, 323,542.42 and 65,934.11

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Solution

The fourth proportional to 215,694.41, 323,542.42 and 65,934.11 is: 98,901.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,694.41 : 323,542.42 = 65,934.11 : x
  2. Step 2: Convert to fraction form
    215,694.41/323,542.42 = 65,934.11/x
  3. Step 3: Cross multiply
    215,694.41x = 323,542.42 × 65,934.11
  4. Step 4: Simplify right side
    215,694.41x = 21,332,482,153.97
  5. Step 5: Solve for x
    x = 21,332,482,153.97/215,694.41
  6. Step 6: Final answer
    x = 98,901.42

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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.