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Finding the Fourth Proportional to 111,728.41, 167,557.03 and 36,834.59

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Solution

The fourth proportional to 111,728.41, 167,557.03 and 36,834.59 is: 55,240.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,728.41 : 167,557.03 = 36,834.59 : x
  2. Step 2: Convert to fraction form
    111,728.41/167,557.03 = 36,834.59/x
  3. Step 3: Cross multiply
    111,728.41x = 167,557.03 × 36,834.59
  4. Step 4: Simplify right side
    111,728.41x = 6,171,894,501.67
  5. Step 5: Solve for x
    x = 6,171,894,501.67/111,728.41
  6. Step 6: Final answer
    x = 55,240.15

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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.