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Finding the Fourth Proportional to 167,401.68, 231,014.16 and 91,955.04

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Solution

The fourth proportional to 167,401.68, 231,014.16 and 91,955.04 is: 126,897.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,401.68 : 231,014.16 = 91,955.04 : x
  2. Step 2: Convert to fraction form
    167,401.68/231,014.16 = 91,955.04/x
  3. Step 3: Cross multiply
    167,401.68x = 231,014.16 × 91,955.04
  4. Step 4: Simplify right side
    167,401.68x = 21,242,916,323.37
  5. Step 5: Solve for x
    x = 21,242,916,323.37/167,401.68
  6. Step 6: Final answer
    x = 126,897.87

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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.