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Finding the Fourth Proportional to 79,454.78, 119,181.80 and 26,900.54

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Solution

The fourth proportional to 79,454.78, 119,181.80 and 26,900.54 is: 40,350.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,454.78 : 119,181.80 = 26,900.54 : x
  2. Step 2: Convert to fraction form
    79,454.78/119,181.80 = 26,900.54/x
  3. Step 3: Cross multiply
    79,454.78x = 119,181.80 × 26,900.54
  4. Step 4: Simplify right side
    79,454.78x = 3,206,054,249.51
  5. Step 5: Solve for x
    x = 3,206,054,249.51/79,454.78
  6. Step 6: Final answer
    x = 40,350.68

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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.