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Finding the Fourth Proportional to 167,762.75, 231,514.22 and 92,312.87

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Solution

The fourth proportional to 167,762.75, 231,514.22 and 92,312.87 is: 127,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,762.75 : 231,514.22 = 92,312.87 : x
  2. Step 2: Convert to fraction form
    167,762.75/231,514.22 = 92,312.87/x
  3. Step 3: Cross multiply
    167,762.75x = 231,514.22 × 92,312.87
  4. Step 4: Simplify right side
    167,762.75x = 21,371,741,632.45
  5. Step 5: Solve for x
    x = 21,371,741,632.45/167,762.75
  6. Step 6: Final answer
    x = 127,392.65

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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.