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Finding the Fourth Proportional to 79,494.78, 119,234.88 and 26,898.24

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Solution

The fourth proportional to 79,494.78, 119,234.88 and 26,898.24 is: 40,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,494.78 : 119,234.88 = 26,898.24 : x
  2. Step 2: Convert to fraction form
    79,494.78/119,234.88 = 26,898.24/x
  3. Step 3: Cross multiply
    79,494.78x = 119,234.88 × 26,898.24
  4. Step 4: Simplify right side
    79,494.78x = 3,207,208,418.61
  5. Step 5: Solve for x
    x = 3,207,208,418.61/79,494.78
  6. Step 6: Final answer
    x = 40,344.89

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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.