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Finding the Fourth Proportional to 539,171.06, 808,727.43 and 165,195.14

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Solution

The fourth proportional to 539,171.06, 808,727.43 and 165,195.14 is: 247,783.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,171.06 : 808,727.43 = 165,195.14 : x
  2. Step 2: Convert to fraction form
    539,171.06/808,727.43 = 165,195.14/x
  3. Step 3: Cross multiply
    539,171.06x = 808,727.43 × 165,195.14
  4. Step 4: Simplify right side
    539,171.06x = 133,597,841,020.69
  5. Step 5: Solve for x
    x = 133,597,841,020.69/539,171.06
  6. Step 6: Final answer
    x = 247,783.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.