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Finding the Fourth Proportional to 79,632.15, 119,466.60 and 27,041.61

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Solution

The fourth proportional to 79,632.15, 119,466.60 and 27,041.61 is: 40,568.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,632.15 : 119,466.60 = 27,041.61 : x
  2. Step 2: Convert to fraction form
    79,632.15/119,466.60 = 27,041.61/x
  3. Step 3: Cross multiply
    79,632.15x = 119,466.60 × 27,041.61
  4. Step 4: Simplify right side
    79,632.15x = 3,230,569,205.23
  5. Step 5: Solve for x
    x = 3,230,569,205.23/79,632.15
  6. Step 6: Final answer
    x = 40,568.65

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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.