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Finding the Fourth Proportional to 161,472.62, 242,221.30 and 49,162.44

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Solution

The fourth proportional to 161,472.62, 242,221.30 and 49,162.44 is: 73,747.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,472.62 : 242,221.30 = 49,162.44 : x
  2. Step 2: Convert to fraction form
    161,472.62/242,221.30 = 49,162.44/x
  3. Step 3: Cross multiply
    161,472.62x = 242,221.30 × 49,162.44
  4. Step 4: Simplify right side
    161,472.62x = 11,908,190,127.97
  5. Step 5: Solve for x
    x = 11,908,190,127.97/161,472.62
  6. Step 6: Final answer
    x = 73,747.43

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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.