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Finding the Fourth Proportional to 229,722.72, 344,583.81 and 71,963.46

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Solution

The fourth proportional to 229,722.72, 344,583.81 and 71,963.46 is: 107,945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,722.72 : 344,583.81 = 71,963.46 : x
  2. Step 2: Convert to fraction form
    229,722.72/344,583.81 = 71,963.46/x
  3. Step 3: Cross multiply
    229,722.72x = 344,583.81 × 71,963.46
  4. Step 4: Simplify right side
    229,722.72x = 24,797,443,227.58
  5. Step 5: Solve for x
    x = 24,797,443,227.58/229,722.72
  6. Step 6: Final answer
    x = 107,945.11

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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.