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Finding the Fourth Proportional to 121,474.63, 167,633.86 and 67,027.30

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Solution

The fourth proportional to 121,474.63, 167,633.86 and 67,027.30 is: 92,497.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,474.63 : 167,633.86 = 67,027.30 : x
  2. Step 2: Convert to fraction form
    121,474.63/167,633.86 = 67,027.30/x
  3. Step 3: Cross multiply
    121,474.63x = 167,633.86 × 67,027.30
  4. Step 4: Simplify right side
    121,474.63x = 11,236,045,024.38
  5. Step 5: Solve for x
    x = 11,236,045,024.38/121,474.63
  6. Step 6: Final answer
    x = 92,497.05

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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.