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Finding the Fourth Proportional to 63,166.55, 87,169.30 and 34,871.63

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Solution

The fourth proportional to 63,166.55, 87,169.30 and 34,871.63 is: 48,122.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,166.55 : 87,169.30 = 34,871.63 : x
  2. Step 2: Convert to fraction form
    63,166.55/87,169.30 = 34,871.63/x
  3. Step 3: Cross multiply
    63,166.55x = 87,169.30 × 34,871.63
  4. Step 4: Simplify right side
    63,166.55x = 3,039,735,576.96
  5. Step 5: Solve for x
    x = 3,039,735,576.96/63,166.55
  6. Step 6: Final answer
    x = 48,122.55

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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.