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Finding the Fourth Proportional to 247,192.40, 371,091.48 and 163,022.80

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Solution

The fourth proportional to 247,192.40, 371,091.48 and 163,022.80 is: 244,733.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,192.40 : 371,091.48 = 163,022.80 : x
  2. Step 2: Convert to fraction form
    247,192.40/371,091.48 = 163,022.80/x
  3. Step 3: Cross multiply
    247,192.40x = 371,091.48 × 163,022.80
  4. Step 4: Simplify right side
    247,192.40x = 60,496,372,125.74
  5. Step 5: Solve for x
    x = 60,496,372,125.74/247,192.40
  6. Step 6: Final answer
    x = 244,733.95

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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.