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Finding the Fourth Proportional to 266,699.46, 367,871.84 and 171,054.66

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Solution

The fourth proportional to 266,699.46, 367,871.84 and 171,054.66 is: 235,944.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,699.46 : 367,871.84 = 171,054.66 : x
  2. Step 2: Convert to fraction form
    266,699.46/367,871.84 = 171,054.66/x
  3. Step 3: Cross multiply
    266,699.46x = 367,871.84 × 171,054.66
  4. Step 4: Simplify right side
    266,699.46x = 62,926,192,514.77
  5. Step 5: Solve for x
    x = 62,926,192,514.77/266,699.46
  6. Step 6: Final answer
    x = 235,944.21

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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.