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Finding the Fourth Proportional to 378,388.56, 567,566.40 and 94,073.20

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Solution

The fourth proportional to 378,388.56, 567,566.40 and 94,073.20 is: 141,105.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,388.56 : 567,566.40 = 94,073.20 : x
  2. Step 2: Convert to fraction form
    378,388.56/567,566.40 = 94,073.20/x
  3. Step 3: Cross multiply
    378,388.56x = 567,566.40 × 94,073.20
  4. Step 4: Simplify right side
    378,388.56x = 53,392,787,460.48
  5. Step 5: Solve for x
    x = 53,392,787,460.48/378,388.56
  6. Step 6: Final answer
    x = 141,105.71

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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.