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Finding the Fourth Proportional to 220,219.18, 303,902.76 and 119,617.18

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Solution

The fourth proportional to 220,219.18, 303,902.76 and 119,617.18 is: 165,071.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,219.18 : 303,902.76 = 119,617.18 : x
  2. Step 2: Convert to fraction form
    220,219.18/303,902.76 = 119,617.18/x
  3. Step 3: Cross multiply
    220,219.18x = 303,902.76 × 119,617.18
  4. Step 4: Simplify right side
    220,219.18x = 36,351,991,145.42
  5. Step 5: Solve for x
    x = 36,351,991,145.42/220,219.18
  6. Step 6: Final answer
    x = 165,071.87

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.