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Finding the Fourth Proportional to 267,694.40, 401,080.80 and 127,150.40

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Solution

The fourth proportional to 267,694.40, 401,080.80 and 127,150.40 is: 190,506.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,694.40 : 401,080.80 = 127,150.40 : x
  2. Step 2: Convert to fraction form
    267,694.40/401,080.80 = 127,150.40/x
  3. Step 3: Cross multiply
    267,694.40x = 401,080.80 × 127,150.40
  4. Step 4: Simplify right side
    267,694.40x = 50,997,584,152.32
  5. Step 5: Solve for x
    x = 50,997,584,152.32/267,694.40
  6. Step 6: Final answer
    x = 190,506.73

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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.