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Finding the Fourth Proportional to 267,579.78, 401,318.55 and 134,423.07

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Solution

The fourth proportional to 267,579.78, 401,318.55 and 134,423.07 is: 201,608.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,579.78 : 401,318.55 = 134,423.07 : x
  2. Step 2: Convert to fraction form
    267,579.78/401,318.55 = 134,423.07/x
  3. Step 3: Cross multiply
    267,579.78x = 401,318.55 × 134,423.07
  4. Step 4: Simplify right side
    267,579.78x = 53,946,471,538.95
  5. Step 5: Solve for x
    x = 53,946,471,538.95/267,579.78
  6. Step 6: Final answer
    x = 201,608.92

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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.