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Finding the Fourth Proportional to 244,978.75, 367,468.13 and 78,766.75

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Solution

The fourth proportional to 244,978.75, 367,468.13 and 78,766.75 is: 118,150.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,978.75 : 367,468.13 = 78,766.75 : x
  2. Step 2: Convert to fraction form
    244,978.75/367,468.13 = 78,766.75/x
  3. Step 3: Cross multiply
    244,978.75x = 367,468.13 × 78,766.75
  4. Step 4: Simplify right side
    244,978.75x = 28,944,270,328.68
  5. Step 5: Solve for x
    x = 28,944,270,328.68/244,978.75
  6. Step 6: Final answer
    x = 118,150.13

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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.