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Finding the Fourth Proportional to 267,908.70, 401,304.15 and 125,875.20

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Solution

The fourth proportional to 267,908.70, 401,304.15 and 125,875.20 is: 188,550.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,908.70 : 401,304.15 = 125,875.20 : x
  2. Step 2: Convert to fraction form
    267,908.70/401,304.15 = 125,875.20/x
  3. Step 3: Cross multiply
    267,908.70x = 401,304.15 × 125,875.20
  4. Step 4: Simplify right side
    267,908.70x = 50,514,240,142.08
  5. Step 5: Solve for x
    x = 50,514,240,142.08/267,908.70
  6. Step 6: Final answer
    x = 188,550.20

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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.