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Finding the Fourth Proportional to 79,377.98, 119,042.37 and 26,775.17

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Solution

The fourth proportional to 79,377.98, 119,042.37 and 26,775.17 is: 40,154.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,377.98 : 119,042.37 = 26,775.17 : x
  2. Step 2: Convert to fraction form
    79,377.98/119,042.37 = 26,775.17/x
  3. Step 3: Cross multiply
    79,377.98x = 119,042.37 × 26,775.17
  4. Step 4: Simplify right side
    79,377.98x = 3,187,379,098.74
  5. Step 5: Solve for x
    x = 3,187,379,098.74/79,377.98
  6. Step 6: Final answer
    x = 40,154.45

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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.