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Finding the Fourth Proportional to 259,885.89, 389,595.56 and 93,557.25

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Solution

The fourth proportional to 259,885.89, 389,595.56 and 93,557.25 is: 140,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,885.89 : 389,595.56 = 93,557.25 : x
  2. Step 2: Convert to fraction form
    259,885.89/389,595.56 = 93,557.25/x
  3. Step 3: Cross multiply
    259,885.89x = 389,595.56 × 93,557.25
  4. Step 4: Simplify right side
    259,885.89x = 36,449,488,738.02
  5. Step 5: Solve for x
    x = 36,449,488,738.02/259,885.89
  6. Step 6: Final answer
    x = 140,251.90

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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.