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Finding the Fourth Proportional to 110,741.40, 166,112.10 and 44,191.80

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Solution

The fourth proportional to 110,741.40, 166,112.10 and 44,191.80 is: 66,287.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,741.40 : 166,112.10 = 44,191.80 : x
  2. Step 2: Convert to fraction form
    110,741.40/166,112.10 = 44,191.80/x
  3. Step 3: Cross multiply
    110,741.40x = 166,112.10 × 44,191.80
  4. Step 4: Simplify right side
    110,741.40x = 7,340,792,700.78
  5. Step 5: Solve for x
    x = 7,340,792,700.78/110,741.40
  6. Step 6: Final answer
    x = 66,287.70

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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.