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Finding the Fourth Proportional to 79,568.15, 109,789.83 and 45,113.04

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Solution

The fourth proportional to 79,568.15, 109,789.83 and 45,113.04 is: 62,247.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,568.15 : 109,789.83 = 45,113.04 : x
  2. Step 2: Convert to fraction form
    79,568.15/109,789.83 = 45,113.04/x
  3. Step 3: Cross multiply
    79,568.15x = 109,789.83 × 45,113.04
  4. Step 4: Simplify right side
    79,568.15x = 4,952,952,992.38
  5. Step 5: Solve for x
    x = 4,952,952,992.38/79,568.15
  6. Step 6: Final answer
    x = 62,247.94

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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.