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Finding the Fourth Proportional to 266,699.96, 367,872.54 and 171,055.16

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Solution

The fourth proportional to 266,699.96, 367,872.54 and 171,055.16 is: 235,944.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,699.96 : 367,872.54 = 171,055.16 : x
  2. Step 2: Convert to fraction form
    266,699.96/367,872.54 = 171,055.16/x
  3. Step 3: Cross multiply
    266,699.96x = 367,872.54 × 171,055.16
  4. Step 4: Simplify right side
    266,699.96x = 62,926,496,189.31
  5. Step 5: Solve for x
    x = 62,926,496,189.31/266,699.96
  6. Step 6: Final answer
    x = 235,944.90

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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.