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Finding the Fourth Proportional to 267,741.45, 401,399.06 and 132,710.49

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Solution

The fourth proportional to 267,741.45, 401,399.06 and 132,710.49 is: 198,960.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,741.45 : 401,399.06 = 132,710.49 : x
  2. Step 2: Convert to fraction form
    267,741.45/401,399.06 = 132,710.49/x
  3. Step 3: Cross multiply
    267,741.45x = 401,399.06 × 132,710.49
  4. Step 4: Simplify right side
    267,741.45x = 53,269,865,274.59
  5. Step 5: Solve for x
    x = 53,269,865,274.59/267,741.45
  6. Step 6: Final answer
    x = 198,960.10

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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.