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Finding the Fourth Proportional to 111,755.57, 167,661.29 and 36,879.98

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Solution

The fourth proportional to 111,755.57, 167,661.29 and 36,879.98 is: 55,329.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,755.57 : 167,661.29 = 36,879.98 : x
  2. Step 2: Convert to fraction form
    111,755.57/167,661.29 = 36,879.98/x
  3. Step 3: Cross multiply
    111,755.57x = 167,661.29 × 36,879.98
  4. Step 4: Simplify right side
    111,755.57x = 6,183,344,275.87
  5. Step 5: Solve for x
    x = 6,183,344,275.87/111,755.57
  6. Step 6: Final answer
    x = 55,329.18

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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.