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Finding the Fourth Proportional to 73,800.48, 101,844.72 and 40,265.76

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Solution

The fourth proportional to 73,800.48, 101,844.72 and 40,265.76 is: 55,566.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,800.48 : 101,844.72 = 40,265.76 : x
  2. Step 2: Convert to fraction form
    73,800.48/101,844.72 = 40,265.76/x
  3. Step 3: Cross multiply
    73,800.48x = 101,844.72 × 40,265.76
  4. Step 4: Simplify right side
    73,800.48x = 4,100,855,052.79
  5. Step 5: Solve for x
    x = 4,100,855,052.79/73,800.48
  6. Step 6: Final answer
    x = 55,566.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.