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Finding the Fourth Proportional to 218,616.60, 327,924.96 and 168,769.46

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Solution

The fourth proportional to 218,616.60, 327,924.96 and 168,769.46 is: 253,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,616.60 : 327,924.96 = 168,769.46 : x
  2. Step 2: Convert to fraction form
    218,616.60/327,924.96 = 168,769.46/x
  3. Step 3: Cross multiply
    218,616.60x = 327,924.96 × 168,769.46
  4. Step 4: Simplify right side
    218,616.60x = 55,343,718,419.72
  5. Step 5: Solve for x
    x = 55,343,718,419.72/218,616.60
  6. Step 6: Final answer
    x = 253,154.24

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1.5x scale

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.