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Finding the Fourth Proportional to 266,517.94, 367,759.32 and 171,153.81

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Solution

The fourth proportional to 266,517.94, 367,759.32 and 171,153.81 is: 236,169.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,517.94 : 367,759.32 = 171,153.81 : x
  2. Step 2: Convert to fraction form
    266,517.94/367,759.32 = 171,153.81/x
  3. Step 3: Cross multiply
    266,517.94x = 367,759.32 × 171,153.81
  4. Step 4: Simplify right side
    266,517.94x = 62,943,408,781.01
  5. Step 5: Solve for x
    x = 62,943,408,781.01/266,517.94
  6. Step 6: Final answer
    x = 236,169.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.