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Finding the Fourth Proportional to 266,690.96, 367,860.12 and 171,046.16

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Solution

The fourth proportional to 266,690.96, 367,860.12 and 171,046.16 is: 235,932.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,690.96 : 367,860.12 = 171,046.16 : x
  2. Step 2: Convert to fraction form
    266,690.96/367,860.12 = 171,046.16/x
  3. Step 3: Cross multiply
    266,690.96x = 367,860.12 × 171,046.16
  4. Step 4: Simplify right side
    266,690.96x = 62,921,060,943.14
  5. Step 5: Solve for x
    x = 62,921,060,943.14/266,690.96
  6. Step 6: Final answer
    x = 235,932.49

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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.