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Finding the Fourth Proportional to 79,464.62, 109,660.64 and 43,165.73

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Solution

The fourth proportional to 79,464.62, 109,660.64 and 43,165.73 is: 59,568.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,464.62 : 109,660.64 = 43,165.73 : x
  2. Step 2: Convert to fraction form
    79,464.62/109,660.64 = 43,165.73/x
  3. Step 3: Cross multiply
    79,464.62x = 109,660.64 × 43,165.73
  4. Step 4: Simplify right side
    79,464.62x = 4,733,581,959.93
  5. Step 5: Solve for x
    x = 4,733,581,959.93/79,464.62
  6. Step 6: Final answer
    x = 59,568.42

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1.5x scale

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.