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Finding the Fourth Proportional to 113,794.37, 157,036.13 and 63,493.37

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Solution

The fourth proportional to 113,794.37, 157,036.13 and 63,493.37 is: 87,620.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,794.37 : 157,036.13 = 63,493.37 : x
  2. Step 2: Convert to fraction form
    113,794.37/157,036.13 = 63,493.37/x
  3. Step 3: Cross multiply
    113,794.37x = 157,036.13 × 63,493.37
  4. Step 4: Simplify right side
    113,794.37x = 9,970,753,105.46
  5. Step 5: Solve for x
    x = 9,970,753,105.46/113,794.37
  6. Step 6: Final answer
    x = 87,620.79

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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.