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Finding the Fourth Proportional to 247,273.48, 370,906.13 and 78,791.52

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Solution

The fourth proportional to 247,273.48, 370,906.13 and 78,791.52 is: 118,185.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,273.48 : 370,906.13 = 78,791.52 : x
  2. Step 2: Convert to fraction form
    247,273.48/370,906.13 = 78,791.52/x
  3. Step 3: Cross multiply
    247,273.48x = 370,906.13 × 78,791.52
  4. Step 4: Simplify right side
    247,273.48x = 29,224,257,957.00
  5. Step 5: Solve for x
    x = 29,224,257,957.00/247,273.48
  6. Step 6: Final answer
    x = 118,185.98

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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.