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Finding the Fourth Proportional to 188,885.80, 283,751.10 and 157,781.80

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Solution

The fourth proportional to 188,885.80, 283,751.10 and 157,781.80 is: 237,025.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,885.80 : 283,751.10 = 157,781.80 : x
  2. Step 2: Convert to fraction form
    188,885.80/283,751.10 = 157,781.80/x
  3. Step 3: Cross multiply
    188,885.80x = 283,751.10 × 157,781.80
  4. Step 4: Simplify right side
    188,885.80x = 44,770,759,309.98
  5. Step 5: Solve for x
    x = 44,770,759,309.98/188,885.80
  6. Step 6: Final answer
    x = 237,025.54

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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.