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Finding the Fourth Proportional to 247,817.75, 371,913.57 and 114,791.34

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Solution

The fourth proportional to 247,817.75, 371,913.57 and 114,791.34 is: 172,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,817.75 : 371,913.57 = 114,791.34 : x
  2. Step 2: Convert to fraction form
    247,817.75/371,913.57 = 114,791.34/x
  3. Step 3: Cross multiply
    247,817.75x = 371,913.57 × 114,791.34
  4. Step 4: Simplify right side
    247,817.75x = 42,692,457,064.48
  5. Step 5: Solve for x
    x = 42,692,457,064.48/247,817.75
  6. Step 6: Final answer
    x = 172,273.60

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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.