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Finding the Fourth Proportional to 111,382.62, 167,018.66 and 35,471.27

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Solution

The fourth proportional to 111,382.62, 167,018.66 and 35,471.27 is: 53,189.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,382.62 : 167,018.66 = 35,471.27 : x
  2. Step 2: Convert to fraction form
    111,382.62/167,018.66 = 35,471.27/x
  3. Step 3: Cross multiply
    111,382.62x = 167,018.66 × 35,471.27
  4. Step 4: Simplify right side
    111,382.62x = 5,924,362,971.45
  5. Step 5: Solve for x
    x = 5,924,362,971.45/111,382.62
  6. Step 6: Final answer
    x = 53,189.29

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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.