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Finding the Fourth Proportional to 266,515.94, 367,756.56 and 171,151.81

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Solution

The fourth proportional to 266,515.94, 367,756.56 and 171,151.81 is: 236,166.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,515.94 : 367,756.56 = 171,151.81 : x
  2. Step 2: Convert to fraction form
    266,515.94/367,756.56 = 171,151.81/x
  3. Step 3: Cross multiply
    266,515.94x = 367,756.56 × 171,151.81
  4. Step 4: Simplify right side
    266,515.94x = 62,942,199,963.98
  5. Step 5: Solve for x
    x = 62,942,199,963.98/266,515.94
  6. Step 6: Final answer
    x = 236,166.73

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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.