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Finding the Fourth Proportional to 73,566.58, 110,337.51 and 20,963.56

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Solution

The fourth proportional to 73,566.58, 110,337.51 and 20,963.56 is: 31,441.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,566.58 : 110,337.51 = 20,963.56 : x
  2. Step 2: Convert to fraction form
    73,566.58/110,337.51 = 20,963.56/x
  3. Step 3: Cross multiply
    73,566.58x = 110,337.51 × 20,963.56
  4. Step 4: Simplify right side
    73,566.58x = 2,313,067,011.14
  5. Step 5: Solve for x
    x = 2,313,067,011.14/73,566.58
  6. Step 6: Final answer
    x = 31,441.82

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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.