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Finding the Fourth Proportional to 140,773.67, 194,267.50 and 76,242.87

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Solution

The fourth proportional to 140,773.67, 194,267.50 and 76,242.87 is: 105,215.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,773.67 : 194,267.50 = 76,242.87 : x
  2. Step 2: Convert to fraction form
    140,773.67/194,267.50 = 76,242.87/x
  3. Step 3: Cross multiply
    140,773.67x = 194,267.50 × 76,242.87
  4. Step 4: Simplify right side
    140,773.67x = 14,811,511,747.73
  5. Step 5: Solve for x
    x = 14,811,511,747.73/140,773.67
  6. Step 6: Final answer
    x = 105,215.07

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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.