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Finding the Fourth Proportional to 167,989.84, 231,821.98 and 96,365.28

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Solution

The fourth proportional to 167,989.84, 231,821.98 and 96,365.28 is: 132,981.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,989.84 : 231,821.98 = 96,365.28 : x
  2. Step 2: Convert to fraction form
    167,989.84/231,821.98 = 96,365.28/x
  3. Step 3: Cross multiply
    167,989.84x = 231,821.98 × 96,365.28
  4. Step 4: Simplify right side
    167,989.84x = 22,339,590,012.85
  5. Step 5: Solve for x
    x = 22,339,590,012.85/167,989.84
  6. Step 6: Final answer
    x = 132,981.79

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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.