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Finding the Fourth Proportional to 192,770.01, 265,990.97 and 121,099.29

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Solution

The fourth proportional to 192,770.01, 265,990.97 and 121,099.29 is: 167,097.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,770.01 : 265,990.97 = 121,099.29 : x
  2. Step 2: Convert to fraction form
    192,770.01/265,990.97 = 121,099.29/x
  3. Step 3: Cross multiply
    192,770.01x = 265,990.97 × 121,099.29
  4. Step 4: Simplify right side
    192,770.01x = 32,211,317,613.41
  5. Step 5: Solve for x
    x = 32,211,317,613.41/192,770.01
  6. Step 6: Final answer
    x = 167,097.14

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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.