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Finding the Fourth Proportional to 167,732.90, 231,469.50 and 124,903.96

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Solution

The fourth proportional to 167,732.90, 231,469.50 and 124,903.96 is: 172,366.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,732.90 : 231,469.50 = 124,903.96 : x
  2. Step 2: Convert to fraction form
    167,732.90/231,469.50 = 124,903.96/x
  3. Step 3: Cross multiply
    167,732.90x = 231,469.50 × 124,903.96
  4. Step 4: Simplify right side
    167,732.90x = 28,911,457,169.22
  5. Step 5: Solve for x
    x = 28,911,457,169.22/167,732.90
  6. Step 6: Final answer
    x = 172,366.05

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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.