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Finding the Fourth Proportional to 167,507.40, 251,270.67 and 47,554.97

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Solution

The fourth proportional to 167,507.40, 251,270.67 and 47,554.97 is: 71,335.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,507.40 : 251,270.67 = 47,554.97 : x
  2. Step 2: Convert to fraction form
    167,507.40/251,270.67 = 47,554.97/x
  3. Step 3: Cross multiply
    167,507.40x = 251,270.67 × 47,554.97
  4. Step 4: Simplify right side
    167,507.40x = 11,949,167,917.38
  5. Step 5: Solve for x
    x = 11,949,167,917.38/167,507.40
  6. Step 6: Final answer
    x = 71,335.16

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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.