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Finding the Fourth Proportional to 79,924.32, 110,299.18 and 45,943.84

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Solution

The fourth proportional to 79,924.32, 110,299.18 and 45,943.84 is: 63,404.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,924.32 : 110,299.18 = 45,943.84 : x
  2. Step 2: Convert to fraction form
    79,924.32/110,299.18 = 45,943.84/x
  3. Step 3: Cross multiply
    79,924.32x = 110,299.18 × 45,943.84
  4. Step 4: Simplify right side
    79,924.32x = 5,067,567,878.05
  5. Step 5: Solve for x
    x = 5,067,567,878.05/79,924.32
  6. Step 6: Final answer
    x = 63,404.58

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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.