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Finding the Fourth Proportional to 73,244.40, 109,792.56 and 28,853.92

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Solution

The fourth proportional to 73,244.40, 109,792.56 and 28,853.92 is: 43,251.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,244.40 : 109,792.56 = 28,853.92 : x
  2. Step 2: Convert to fraction form
    73,244.40/109,792.56 = 28,853.92/x
  3. Step 3: Cross multiply
    73,244.40x = 109,792.56 × 28,853.92
  4. Step 4: Simplify right side
    73,244.40x = 3,167,945,742.84
  5. Step 5: Solve for x
    x = 3,167,945,742.84/73,244.40
  6. Step 6: Final answer
    x = 43,251.71

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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.