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Finding the Fourth Proportional to 79,574.91, 109,815.69 and 43,767.24

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Solution

The fourth proportional to 79,574.91, 109,815.69 and 43,767.24 is: 60,400.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,574.91 : 109,815.69 = 43,767.24 : x
  2. Step 2: Convert to fraction form
    79,574.91/109,815.69 = 43,767.24/x
  3. Step 3: Cross multiply
    79,574.91x = 109,815.69 × 43,767.24
  4. Step 4: Simplify right side
    79,574.91x = 4,806,329,660.00
  5. Step 5: Solve for x
    x = 4,806,329,660.00/79,574.91
  6. Step 6: Final answer
    x = 60,400.06

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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.