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Finding the Fourth Proportional to 107,808.96, 161,723.52 and 36,707.79

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Solution

The fourth proportional to 107,808.96, 161,723.52 and 36,707.79 is: 55,065.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,808.96 : 161,723.52 = 36,707.79 : x
  2. Step 2: Convert to fraction form
    107,808.96/161,723.52 = 36,707.79/x
  3. Step 3: Cross multiply
    107,808.96x = 161,723.52 × 36,707.79
  4. Step 4: Simplify right side
    107,808.96x = 5,936,513,010.22
  5. Step 5: Solve for x
    x = 5,936,513,010.22/107,808.96
  6. Step 6: Final answer
    x = 55,065.12

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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.