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Finding the Fourth Proportional to 243,969.10, 365,844.30 and 110,780.80

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Solution

The fourth proportional to 243,969.10, 365,844.30 and 110,780.80 is: 166,121.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,969.10 : 365,844.30 = 110,780.80 : x
  2. Step 2: Convert to fraction form
    243,969.10/365,844.30 = 110,780.80/x
  3. Step 3: Cross multiply
    243,969.10x = 365,844.30 × 110,780.80
  4. Step 4: Simplify right side
    243,969.10x = 40,528,524,229.44
  5. Step 5: Solve for x
    x = 40,528,524,229.44/243,969.10
  6. Step 6: Final answer
    x = 166,121.55

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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.