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Finding the Fourth Proportional to 73,246.71, 109,744.50 and 49,185.92

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Solution

The fourth proportional to 73,246.71, 109,744.50 and 49,185.92 is: 73,694.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,246.71 : 109,744.50 = 49,185.92 : x
  2. Step 2: Convert to fraction form
    73,246.71/109,744.50 = 49,185.92/x
  3. Step 3: Cross multiply
    73,246.71x = 109,744.50 × 49,185.92
  4. Step 4: Simplify right side
    73,246.71x = 5,397,883,648.72
  5. Step 5: Solve for x
    x = 5,397,883,648.72/73,246.71
  6. Step 6: Final answer
    x = 73,694.55

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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.