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Finding the Fourth Proportional to 193,593.28, 290,379.48 and 60,458.28

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Solution

The fourth proportional to 193,593.28, 290,379.48 and 60,458.28 is: 90,684.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,593.28 : 290,379.48 = 60,458.28 : x
  2. Step 2: Convert to fraction form
    193,593.28/290,379.48 = 60,458.28/x
  3. Step 3: Cross multiply
    193,593.28x = 290,379.48 × 60,458.28
  4. Step 4: Simplify right side
    193,593.28x = 17,555,843,908.09
  5. Step 5: Solve for x
    x = 17,555,843,908.09/193,593.28
  6. Step 6: Final answer
    x = 90,684.16

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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.