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Finding the Fourth Proportional to 79,495.78, 119,236.38 and 26,899.24

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Solution

The fourth proportional to 79,495.78, 119,236.38 and 26,899.24 is: 40,346.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,495.78 : 119,236.38 = 26,899.24 : x
  2. Step 2: Convert to fraction form
    79,495.78/119,236.38 = 26,899.24/x
  3. Step 3: Cross multiply
    79,495.78x = 119,236.38 × 26,899.24
  4. Step 4: Simplify right side
    79,495.78x = 3,207,368,002.35
  5. Step 5: Solve for x
    x = 3,207,368,002.35/79,495.78
  6. Step 6: Final answer
    x = 40,346.39

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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.