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Finding the Fourth Proportional to 73,167.90, 109,743.94 and 49,626.46

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Solution

The fourth proportional to 73,167.90, 109,743.94 and 49,626.46 is: 74,434.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,167.90 : 109,743.94 = 49,626.46 : x
  2. Step 2: Convert to fraction form
    73,167.90/109,743.94 = 49,626.46/x
  3. Step 3: Cross multiply
    73,167.90x = 109,743.94 × 49,626.46
  4. Step 4: Simplify right side
    73,167.90x = 5,446,203,248.65
  5. Step 5: Solve for x
    x = 5,446,203,248.65/73,167.90
  6. Step 6: Final answer
    x = 74,434.33

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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.