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Finding the Fourth Proportional to 248,865.48, 373,351.14 and 80,395.47

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Solution

The fourth proportional to 248,865.48, 373,351.14 and 80,395.47 is: 120,610.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,865.48 : 373,351.14 = 80,395.47 : x
  2. Step 2: Convert to fraction form
    248,865.48/373,351.14 = 80,395.47/x
  3. Step 3: Cross multiply
    248,865.48x = 373,351.14 × 80,395.47
  4. Step 4: Simplify right side
    248,865.48x = 30,015,740,375.34
  5. Step 5: Solve for x
    x = 30,015,740,375.34/248,865.48
  6. Step 6: Final answer
    x = 120,610.30

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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.