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Finding the Fourth Proportional to 267,877.58, 401,770.13 and 75,765.43

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Solution

The fourth proportional to 267,877.58, 401,770.13 and 75,765.43 is: 113,635.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,877.58 : 401,770.13 = 75,765.43 : x
  2. Step 2: Convert to fraction form
    267,877.58/401,770.13 = 75,765.43/x
  3. Step 3: Cross multiply
    267,877.58x = 401,770.13 × 75,765.43
  4. Step 4: Simplify right side
    267,877.58x = 30,440,284,524.03
  5. Step 5: Solve for x
    x = 30,440,284,524.03/267,877.58
  6. Step 6: Final answer
    x = 113,635.06

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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.