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Finding the Fourth Proportional to 69,437.28, 104,161.32 and 22,694.88

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Solution

The fourth proportional to 69,437.28, 104,161.32 and 22,694.88 is: 34,044.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,437.28 : 104,161.32 = 22,694.88 : x
  2. Step 2: Convert to fraction form
    69,437.28/104,161.32 = 22,694.88/x
  3. Step 3: Cross multiply
    69,437.28x = 104,161.32 × 22,694.88
  4. Step 4: Simplify right side
    69,437.28x = 2,363,928,658.04
  5. Step 5: Solve for x
    x = 2,363,928,658.04/69,437.28
  6. Step 6: Final answer
    x = 34,044.08

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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.