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Finding the Fourth Proportional to 266,519.95, 367,761.99 and 171,155.82

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Solution

The fourth proportional to 266,519.95, 367,761.99 and 171,155.82 is: 236,172.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,519.95 : 367,761.99 = 171,155.82 : x
  2. Step 2: Convert to fraction form
    266,519.95/367,761.99 = 171,155.82/x
  3. Step 3: Cross multiply
    266,519.95x = 367,761.99 × 171,155.82
  4. Step 4: Simplify right side
    266,519.95x = 62,944,604,963.28
  5. Step 5: Solve for x
    x = 62,944,604,963.28/266,519.95
  6. Step 6: Final answer
    x = 236,172.21

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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.