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Finding the Fourth Proportional to 79,856.36, 119,797.20 and 26,550.32

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Solution

The fourth proportional to 79,856.36, 119,797.20 and 26,550.32 is: 39,829.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,856.36 : 119,797.20 = 26,550.32 : x
  2. Step 2: Convert to fraction form
    79,856.36/119,797.20 = 26,550.32/x
  3. Step 3: Cross multiply
    79,856.36x = 119,797.20 × 26,550.32
  4. Step 4: Simplify right side
    79,856.36x = 3,180,653,995.10
  5. Step 5: Solve for x
    x = 3,180,653,995.10/79,856.36
  6. Step 6: Final answer
    x = 39,829.69

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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.