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Finding the Fourth Proportional to 111,589.80, 167,400.90 and 36,713.40

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Solution

The fourth proportional to 111,589.80, 167,400.90 and 36,713.40 is: 55,075.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,589.80 : 167,400.90 = 36,713.40 : x
  2. Step 2: Convert to fraction form
    111,589.80/167,400.90 = 36,713.40/x
  3. Step 3: Cross multiply
    111,589.80x = 167,400.90 × 36,713.40
  4. Step 4: Simplify right side
    111,589.80x = 6,145,856,202.06
  5. Step 5: Solve for x
    x = 6,145,856,202.06/111,589.80
  6. Step 6: Final answer
    x = 55,075.43

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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.