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Finding the Fourth Proportional to 193,891.71, 290,841.20 and 60,769.02

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Solution

The fourth proportional to 193,891.71, 290,841.20 and 60,769.02 is: 91,154.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,891.71 : 290,841.20 = 60,769.02 : x
  2. Step 2: Convert to fraction form
    193,891.71/290,841.20 = 60,769.02/x
  3. Step 3: Cross multiply
    193,891.71x = 290,841.20 × 60,769.02
  4. Step 4: Simplify right side
    193,891.71x = 17,674,133,245.42
  5. Step 5: Solve for x
    x = 17,674,133,245.42/193,891.71
  6. Step 6: Final answer
    x = 91,154.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.