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Finding the Fourth Proportional to 269,574.17, 404,292.03 and 79,989.71

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Solution

The fourth proportional to 269,574.17, 404,292.03 and 79,989.71 is: 119,964.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,574.17 : 404,292.03 = 79,989.71 : x
  2. Step 2: Convert to fraction form
    269,574.17/404,292.03 = 79,989.71/x
  3. Step 3: Cross multiply
    269,574.17x = 404,292.03 × 79,989.71
  4. Step 4: Simplify right side
    269,574.17x = 32,339,200,213.55
  5. Step 5: Solve for x
    x = 32,339,200,213.55/269,574.17
  6. Step 6: Final answer
    x = 119,964.02

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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.