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Finding the Fourth Proportional to 79,542.92, 119,289.17 and 26,940.11

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Solution

The fourth proportional to 79,542.92, 119,289.17 and 26,940.11 is: 40,401.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,542.92 : 119,289.17 = 26,940.11 : x
  2. Step 2: Convert to fraction form
    79,542.92/119,289.17 = 26,940.11/x
  3. Step 3: Cross multiply
    79,542.92x = 119,289.17 × 26,940.11
  4. Step 4: Simplify right side
    79,542.92x = 3,213,662,832.51
  5. Step 5: Solve for x
    x = 3,213,662,832.51/79,542.92
  6. Step 6: Final answer
    x = 40,401.62

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1.5x scale

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.