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Finding the Fourth Proportional to 79,950.11, 119,793.94 and 27,330.89

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Solution

The fourth proportional to 79,950.11, 119,793.94 and 27,330.89 is: 40,951.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,950.11 : 119,793.94 = 27,330.89 : x
  2. Step 2: Convert to fraction form
    79,950.11/119,793.94 = 27,330.89/x
  3. Step 3: Cross multiply
    79,950.11x = 119,793.94 × 27,330.89
  4. Step 4: Simplify right side
    79,950.11x = 3,274,074,329.51
  5. Step 5: Solve for x
    x = 3,274,074,329.51/79,950.11
  6. Step 6: Final answer
    x = 40,951.47

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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.