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Finding the Fourth Proportional to 163,363.20, 245,190.60 and 141,201.60

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Solution

The fourth proportional to 163,363.20, 245,190.60 and 141,201.60 is: 211,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,363.20 : 245,190.60 = 141,201.60 : x
  2. Step 2: Convert to fraction form
    163,363.20/245,190.60 = 141,201.60/x
  3. Step 3: Cross multiply
    163,363.20x = 245,190.60 × 141,201.60
  4. Step 4: Simplify right side
    163,363.20x = 34,621,305,024.96
  5. Step 5: Solve for x
    x = 34,621,305,024.96/163,363.20
  6. Step 6: Final answer
    x = 211,928.42

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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.