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Finding the Fourth Proportional to 161,542.62, 242,243.53 and 49,196.43

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Solution

The fourth proportional to 161,542.62, 242,243.53 and 49,196.43 is: 73,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,542.62 : 242,243.53 = 49,196.43 : x
  2. Step 2: Convert to fraction form
    161,542.62/242,243.53 = 49,196.43/x
  3. Step 3: Cross multiply
    161,542.62x = 242,243.53 × 49,196.43
  4. Step 4: Simplify right side
    161,542.62x = 11,917,516,743.61
  5. Step 5: Solve for x
    x = 11,917,516,743.61/161,542.62
  6. Step 6: Final answer
    x = 73,773.20

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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.