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Finding the Fourth Proportional to 266,778.96, 367,981.44 and 171,134.16

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Solution

The fourth proportional to 266,778.96, 367,981.44 and 171,134.16 is: 236,053.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,778.96 : 367,981.44 = 171,134.16 : x
  2. Step 2: Convert to fraction form
    266,778.96/367,981.44 = 171,134.16/x
  3. Step 3: Cross multiply
    266,778.96x = 367,981.44 × 171,134.16
  4. Step 4: Simplify right side
    266,778.96x = 62,974,194,629.99
  5. Step 5: Solve for x
    x = 62,974,194,629.99/266,778.96
  6. Step 6: Final answer
    x = 236,053.83

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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.