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Finding the Fourth Proportional to 162,878.69, 244,229.20 and 49,009.90

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Solution

The fourth proportional to 162,878.69, 244,229.20 and 49,009.90 is: 73,488.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,878.69 : 244,229.20 = 49,009.90 : x
  2. Step 2: Convert to fraction form
    162,878.69/244,229.20 = 49,009.90/x
  3. Step 3: Cross multiply
    162,878.69x = 244,229.20 × 49,009.90
  4. Step 4: Simplify right side
    162,878.69x = 11,969,647,935.98
  5. Step 5: Solve for x
    x = 11,969,647,935.98/162,878.69
  6. Step 6: Final answer
    x = 73,488.12

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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.