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Finding the Fourth Proportional to 63,162.67, 87,164.40 and 34,868.29

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Solution

The fourth proportional to 63,162.67, 87,164.40 and 34,868.29 is: 48,118.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,162.67 : 87,164.40 = 34,868.29 : x
  2. Step 2: Convert to fraction form
    63,162.67/87,164.40 = 34,868.29/x
  3. Step 3: Cross multiply
    63,162.67x = 87,164.40 × 34,868.29
  4. Step 4: Simplify right side
    63,162.67x = 3,039,273,576.88
  5. Step 5: Solve for x
    x = 3,039,273,576.88/63,162.67
  6. Step 6: Final answer
    x = 48,118.19

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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.