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Finding the Fourth Proportional to 267,854.88, 401,790.60 and 134,740.56

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Solution

The fourth proportional to 267,854.88, 401,790.60 and 134,740.56 is: 202,115.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,854.88 : 401,790.60 = 134,740.56 : x
  2. Step 2: Convert to fraction form
    267,854.88/401,790.60 = 134,740.56/x
  3. Step 3: Cross multiply
    267,854.88x = 401,790.60 × 134,740.56
  4. Step 4: Simplify right side
    267,854.88x = 54,137,490,446.74
  5. Step 5: Solve for x
    x = 54,137,490,446.74/267,854.88
  6. Step 6: Final answer
    x = 202,115.01

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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.