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Finding the Fourth Proportional to 111,599.25, 167,409.62 and 36,719.61

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Solution

The fourth proportional to 111,599.25, 167,409.62 and 36,719.61 is: 55,082.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,599.25 : 167,409.62 = 36,719.61 : x
  2. Step 2: Convert to fraction form
    111,599.25/167,409.62 = 36,719.61/x
  3. Step 3: Cross multiply
    111,599.25x = 167,409.62 × 36,719.61
  4. Step 4: Simplify right side
    111,599.25x = 6,147,215,773.05
  5. Step 5: Solve for x
    x = 6,147,215,773.05/111,599.25
  6. Step 6: Final answer
    x = 55,082.95

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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.