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Finding the Fourth Proportional to 267,740.70, 401,397.93 and 132,709.74

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Solution

The fourth proportional to 267,740.70, 401,397.93 and 132,709.74 is: 198,958.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,740.70 : 401,397.93 = 132,709.74 : x
  2. Step 2: Convert to fraction form
    267,740.70/401,397.93 = 132,709.74/x
  3. Step 3: Cross multiply
    267,740.70x = 401,397.93 × 132,709.74
  4. Step 4: Simplify right side
    267,740.70x = 53,269,414,926.84
  5. Step 5: Solve for x
    x = 53,269,414,926.84/267,740.70
  6. Step 6: Final answer
    x = 198,958.97

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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.