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Finding the Fourth Proportional to 248,388.48, 372,735.36 and 98,602.56

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Solution

The fourth proportional to 248,388.48, 372,735.36 and 98,602.56 is: 147,964.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,388.48 : 372,735.36 = 98,602.56 : x
  2. Step 2: Convert to fraction form
    248,388.48/372,735.36 = 98,602.56/x
  3. Step 3: Cross multiply
    248,388.48x = 372,735.36 × 98,602.56
  4. Step 4: Simplify right side
    248,388.48x = 36,752,660,698.52
  5. Step 5: Solve for x
    x = 36,752,660,698.52/248,388.48
  6. Step 6: Final answer
    x = 147,964.43

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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.