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Finding the Fourth Proportional to 111,728.91, 167,557.83 and 36,835.11

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Solution

The fourth proportional to 111,728.91, 167,557.83 and 36,835.11 is: 55,240.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,728.91 : 167,557.83 = 36,835.11 : x
  2. Step 2: Convert to fraction form
    111,728.91/167,557.83 = 36,835.11/x
  3. Step 3: Cross multiply
    111,728.91x = 167,557.83 × 36,835.11
  4. Step 4: Simplify right side
    111,728.91x = 6,172,011,099.41
  5. Step 5: Solve for x
    x = 6,172,011,099.41/111,728.91
  6. Step 6: Final answer
    x = 55,240.95

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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.