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Finding the Fourth Proportional to 79,879.77, 119,807.51 and 50,207.04

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Solution

The fourth proportional to 79,879.77, 119,807.51 and 50,207.04 is: 75,302.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,879.77 : 119,807.51 = 50,207.04 : x
  2. Step 2: Convert to fraction form
    79,879.77/119,807.51 = 50,207.04/x
  3. Step 3: Cross multiply
    79,879.77x = 119,807.51 × 50,207.04
  4. Step 4: Simplify right side
    79,879.77x = 6,015,180,195.84
  5. Step 5: Solve for x
    x = 6,015,180,195.84/79,879.77
  6. Step 6: Final answer
    x = 75,302.92

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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.