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Finding the Fourth Proportional to 111,442.84, 167,158.38 and 36,553.12

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Solution

The fourth proportional to 111,442.84, 167,158.38 and 36,553.12 is: 54,827.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,442.84 : 167,158.38 = 36,553.12 : x
  2. Step 2: Convert to fraction form
    111,442.84/167,158.38 = 36,553.12/x
  3. Step 3: Cross multiply
    111,442.84x = 167,158.38 × 36,553.12
  4. Step 4: Simplify right side
    111,442.84x = 6,110,160,982.59
  5. Step 5: Solve for x
    x = 6,110,160,982.59/111,442.84
  6. Step 6: Final answer
    x = 54,827.76

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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.