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Finding the Fourth Proportional to 235,753.67, 353,634.17 and 131,236.94

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Solution

The fourth proportional to 235,753.67, 353,634.17 and 131,236.94 is: 196,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,753.67 : 353,634.17 = 131,236.94 : x
  2. Step 2: Convert to fraction form
    235,753.67/353,634.17 = 131,236.94/x
  3. Step 3: Cross multiply
    235,753.67x = 353,634.17 × 131,236.94
  4. Step 4: Simplify right side
    235,753.67x = 46,409,863,925.88
  5. Step 5: Solve for x
    x = 46,409,863,925.88/235,753.67
  6. Step 6: Final answer
    x = 196,857.44

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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.