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Finding the Fourth Proportional to 193,665.60, 290,498.60 and 60,546.56

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Solution

The fourth proportional to 193,665.60, 290,498.60 and 60,546.56 is: 90,819.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,665.60 : 290,498.60 = 60,546.56 : x
  2. Step 2: Convert to fraction form
    193,665.60/290,498.60 = 60,546.56/x
  3. Step 3: Cross multiply
    193,665.60x = 290,498.60 × 60,546.56
  4. Step 4: Simplify right side
    193,665.60x = 17,588,689,613.69
  5. Step 5: Solve for x
    x = 17,588,689,613.69/193,665.60
  6. Step 6: Final answer
    x = 90,819.90

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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.