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Finding the Fourth Proportional to 218,169.69, 327,291.44 and 111,599.91

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Solution

The fourth proportional to 218,169.69, 327,291.44 and 111,599.91 is: 167,418.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,169.69 : 327,291.44 = 111,599.91 : x
  2. Step 2: Convert to fraction form
    218,169.69/327,291.44 = 111,599.91/x
  3. Step 3: Cross multiply
    218,169.69x = 327,291.44 × 111,599.91
  4. Step 4: Simplify right side
    218,169.69x = 36,525,694,689.77
  5. Step 5: Solve for x
    x = 36,525,694,689.77/218,169.69
  6. Step 6: Final answer
    x = 167,418.74

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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.