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Finding the Fourth Proportional to 63,190.68, 87,203.88 and 34,896.30

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Solution

The fourth proportional to 63,190.68, 87,203.88 and 34,896.30 is: 48,157.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,190.68 : 87,203.88 = 34,896.30 : x
  2. Step 2: Convert to fraction form
    63,190.68/87,203.88 = 34,896.30/x
  3. Step 3: Cross multiply
    63,190.68x = 87,203.88 × 34,896.30
  4. Step 4: Simplify right side
    63,190.68x = 3,043,092,757.64
  5. Step 5: Solve for x
    x = 3,043,092,757.64/63,190.68
  6. Step 6: Final answer
    x = 48,157.30

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1.5x scale

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.