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Finding the Fourth Proportional to 111,732.99, 167,505.18 and 48,505.41

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Solution

The fourth proportional to 111,732.99, 167,505.18 and 48,505.41 is: 72,717.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,732.99 : 167,505.18 = 48,505.41 : x
  2. Step 2: Convert to fraction form
    111,732.99/167,505.18 = 48,505.41/x
  3. Step 3: Cross multiply
    111,732.99x = 167,505.18 × 48,505.41
  4. Step 4: Simplify right side
    111,732.99x = 8,124,907,433.02
  5. Step 5: Solve for x
    x = 8,124,907,433.02/111,732.99
  6. Step 6: Final answer
    x = 72,717.18

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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.