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Finding the Fourth Proportional to 167,676.98, 231,411.21 and 96,066.50

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Solution

The fourth proportional to 167,676.98, 231,411.21 and 96,066.50 is: 132,581.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,676.98 : 231,411.21 = 96,066.50 : x
  2. Step 2: Convert to fraction form
    167,676.98/231,411.21 = 96,066.50/x
  3. Step 3: Cross multiply
    167,676.98x = 231,411.21 × 96,066.50
  4. Step 4: Simplify right side
    167,676.98x = 22,230,865,005.47
  5. Step 5: Solve for x
    x = 22,230,865,005.47/167,676.98
  6. Step 6: Final answer
    x = 132,581.50

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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.