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Finding the Fourth Proportional to 63,190.96, 87,203.20 and 34,896.64

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Solution

The fourth proportional to 63,190.96, 87,203.20 and 34,896.64 is: 48,157.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,190.96 : 87,203.20 = 34,896.64 : x
  2. Step 2: Convert to fraction form
    63,190.96/87,203.20 = 34,896.64/x
  3. Step 3: Cross multiply
    63,190.96x = 87,203.20 × 34,896.64
  4. Step 4: Simplify right side
    63,190.96x = 3,043,098,677.25
  5. Step 5: Solve for x
    x = 3,043,098,677.25/63,190.96
  6. Step 6: Final answer
    x = 48,157.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.