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Finding the Fourth Proportional to 248,866.48, 373,352.64 and 80,396.47

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Solution

The fourth proportional to 248,866.48, 373,352.64 and 80,396.47 is: 120,611.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,866.48 : 373,352.64 = 80,396.47 : x
  2. Step 2: Convert to fraction form
    248,866.48/373,352.64 = 80,396.47/x
  3. Step 3: Cross multiply
    248,866.48x = 373,352.64 × 80,396.47
  4. Step 4: Simplify right side
    248,866.48x = 30,016,234,321.18
  5. Step 5: Solve for x
    x = 30,016,234,321.18/248,866.48
  6. Step 6: Final answer
    x = 120,611.80

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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.