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Finding the Fourth Proportional to 161,342.97, 242,042.12 and 49,034.53

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Solution

The fourth proportional to 161,342.97, 242,042.12 and 49,034.53 is: 73,560.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,342.97 : 242,042.12 = 49,034.53 : x
  2. Step 2: Convert to fraction form
    161,342.97/242,042.12 = 49,034.53/x
  3. Step 3: Cross multiply
    161,342.97x = 242,042.12 × 49,034.53
  4. Step 4: Simplify right side
    161,342.97x = 11,868,421,594.40
  5. Step 5: Solve for x
    x = 11,868,421,594.40/161,342.97
  6. Step 6: Final answer
    x = 73,560.20

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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.