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Finding the Fourth Proportional to 267,140.86, 400,716.48 and 124,907.56

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Solution

The fourth proportional to 267,140.86, 400,716.48 and 124,907.56 is: 187,363.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,140.86 : 400,716.48 = 124,907.56 : x
  2. Step 2: Convert to fraction form
    267,140.86/400,716.48 = 124,907.56/x
  3. Step 3: Cross multiply
    267,140.86x = 400,716.48 × 124,907.56
  4. Step 4: Simplify right side
    267,140.86x = 50,052,517,768.59
  5. Step 5: Solve for x
    x = 50,052,517,768.59/267,140.86
  6. Step 6: Final answer
    x = 187,363.77

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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.