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Finding the Fourth Proportional to 104,825.60, 157,231.20 and 33,747.20

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Solution

The fourth proportional to 104,825.60, 157,231.20 and 33,747.20 is: 50,618.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,825.60 : 157,231.20 = 33,747.20 : x
  2. Step 2: Convert to fraction form
    104,825.60/157,231.20 = 33,747.20/x
  3. Step 3: Cross multiply
    104,825.60x = 157,231.20 × 33,747.20
  4. Step 4: Simplify right side
    104,825.60x = 5,306,112,752.64
  5. Step 5: Solve for x
    x = 5,306,112,752.64/104,825.60
  6. Step 6: Final answer
    x = 50,618.48

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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.