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Finding the Fourth Proportional to 267,908.20, 401,303.40 and 125,874.70

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Solution

The fourth proportional to 267,908.20, 401,303.40 and 125,874.70 is: 188,549.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,908.20 : 401,303.40 = 125,874.70 : x
  2. Step 2: Convert to fraction form
    267,908.20/401,303.40 = 125,874.70/x
  3. Step 3: Cross multiply
    267,908.20x = 401,303.40 × 125,874.70
  4. Step 4: Simplify right side
    267,908.20x = 50,513,945,083.98
  5. Step 5: Solve for x
    x = 50,513,945,083.98/267,908.20
  6. Step 6: Final answer
    x = 188,549.45

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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.