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Finding the Fourth Proportional to 167,754.89, 231,425.47 and 99,733.27

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Solution

The fourth proportional to 167,754.89, 231,425.47 and 99,733.27 is: 137,586.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,754.89 : 231,425.47 = 99,733.27 : x
  2. Step 2: Convert to fraction form
    167,754.89/231,425.47 = 99,733.27/x
  3. Step 3: Cross multiply
    167,754.89x = 231,425.47 × 99,733.27
  4. Step 4: Simplify right side
    167,754.89x = 23,080,817,792.78
  5. Step 5: Solve for x
    x = 23,080,817,792.78/167,754.89
  6. Step 6: Final answer
    x = 137,586.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.