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Finding the Fourth Proportional to 167,985.76, 231,820.92 and 92,534.08

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Solution

The fourth proportional to 167,985.76, 231,820.92 and 92,534.08 is: 127,697.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,985.76 : 231,820.92 = 92,534.08 : x
  2. Step 2: Convert to fraction form
    167,985.76/231,820.92 = 92,534.08/x
  3. Step 3: Cross multiply
    167,985.76x = 231,820.92 × 92,534.08
  4. Step 4: Simplify right side
    167,985.76x = 21,451,335,556.95
  5. Step 5: Solve for x
    x = 21,451,335,556.95/167,985.76
  6. Step 6: Final answer
    x = 127,697.35

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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.