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Finding the Fourth Proportional to 163,190.67, 244,734.17 and 52,356.75

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Solution

The fourth proportional to 163,190.67, 244,734.17 and 52,356.75 is: 78,518.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,190.67 : 244,734.17 = 52,356.75 : x
  2. Step 2: Convert to fraction form
    163,190.67/244,734.17 = 52,356.75/x
  3. Step 3: Cross multiply
    163,190.67x = 244,734.17 × 52,356.75
  4. Step 4: Simplify right side
    163,190.67x = 12,813,485,493.36
  5. Step 5: Solve for x
    x = 12,813,485,493.36/163,190.67
  6. Step 6: Final answer
    x = 78,518.49

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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.