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Finding the Fourth Proportional to 167,471.10, 251,419.82 and 108,553.32

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Solution

The fourth proportional to 167,471.10, 251,419.82 and 108,553.32 is: 162,968.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,471.10 : 251,419.82 = 108,553.32 : x
  2. Step 2: Convert to fraction form
    167,471.10/251,419.82 = 108,553.32/x
  3. Step 3: Cross multiply
    167,471.10x = 251,419.82 × 108,553.32
  4. Step 4: Simplify right side
    167,471.10x = 27,292,455,632.04
  5. Step 5: Solve for x
    x = 27,292,455,632.04/167,471.10
  6. Step 6: Final answer
    x = 162,968.15

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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.