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Finding the Fourth Proportional to 218,561.16, 327,776.94 and 93,873

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Solution

The fourth proportional to 218,561.16, 327,776.94 and 93,873 is: 140,781.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,561.16 : 327,776.94 = 93,873 : x
  2. Step 2: Convert to fraction form
    218,561.16/327,776.94 = 93,873/x
  3. Step 3: Cross multiply
    218,561.16x = 327,776.94 × 93,873
  4. Step 4: Simplify right side
    218,561.16x = 30,769,404,688.62
  5. Step 5: Solve for x
    x = 30,769,404,688.62/218,561.16
  6. Step 6: Final answer
    x = 140,781.67

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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.