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Finding the Fourth Proportional to 121,548.08, 167,744.76 and 67,843.58

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Solution

The fourth proportional to 121,548.08, 167,744.76 and 67,843.58 is: 93,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,548.08 : 167,744.76 = 67,843.58 : x
  2. Step 2: Convert to fraction form
    121,548.08/167,744.76 = 67,843.58/x
  3. Step 3: Cross multiply
    121,548.08x = 167,744.76 × 67,843.58
  4. Step 4: Simplify right side
    121,548.08x = 11,380,405,044.64
  5. Step 5: Solve for x
    x = 11,380,405,044.64/121,548.08
  6. Step 6: Final answer
    x = 93,628.83

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1.5x scale

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.