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Finding the Fourth Proportional to 229,614.48, 344,578.46 and 79,853.31

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Solution

The fourth proportional to 229,614.48, 344,578.46 and 79,853.31 is: 119,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,614.48 : 344,578.46 = 79,853.31 : x
  2. Step 2: Convert to fraction form
    229,614.48/344,578.46 = 79,853.31/x
  3. Step 3: Cross multiply
    229,614.48x = 344,578.46 × 79,853.31
  4. Step 4: Simplify right side
    229,614.48x = 27,515,730,186.44
  5. Step 5: Solve for x
    x = 27,515,730,186.44/229,614.48
  6. Step 6: Final answer
    x = 119,834.47

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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.