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Finding the Fourth Proportional to 63,165.92, 87,168.44 and 34,871

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Solution

The fourth proportional to 63,165.92, 87,168.44 and 34,871 is: 48,121.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,165.92 : 87,168.44 = 34,871 : x
  2. Step 2: Convert to fraction form
    63,165.92/87,168.44 = 34,871/x
  3. Step 3: Cross multiply
    63,165.92x = 87,168.44 × 34,871
  4. Step 4: Simplify right side
    63,165.92x = 3,039,650,671.24
  5. Step 5: Solve for x
    x = 3,039,650,671.24/63,165.92
  6. Step 6: Final answer
    x = 48,121.69

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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.