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Finding the Fourth Proportional to 263,114.88, 363,093.12 and 143,882.88

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Solution

The fourth proportional to 263,114.88, 363,093.12 and 143,882.88 is: 198,555.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    263,114.88 : 363,093.12 = 143,882.88 : x
  2. Step 2: Convert to fraction form
    263,114.88/363,093.12 = 143,882.88/x
  3. Step 3: Cross multiply
    263,114.88x = 363,093.12 × 143,882.88
  4. Step 4: Simplify right side
    263,114.88x = 52,242,883,813.79
  5. Step 5: Solve for x
    x = 52,242,883,813.79/263,114.88
  6. Step 6: Final answer
    x = 198,555.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.