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Finding the Fourth Proportional to 218,558.16, 327,772.44 and 93,870

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Solution

The fourth proportional to 218,558.16, 327,772.44 and 93,870 is: 140,777.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,558.16 : 327,772.44 = 93,870 : x
  2. Step 2: Convert to fraction form
    218,558.16/327,772.44 = 93,870/x
  3. Step 3: Cross multiply
    218,558.16x = 327,772.44 × 93,870
  4. Step 4: Simplify right side
    218,558.16x = 30,767,998,942.80
  5. Step 5: Solve for x
    x = 30,767,998,942.80/218,558.16
  6. Step 6: Final answer
    x = 140,777.17

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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.