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Finding the Fourth Proportional to 63,163.98, 87,163.98 and 34,869.06

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Solution

The fourth proportional to 63,163.98, 87,163.98 and 34,869.06 is: 48,118.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,163.98 : 87,163.98 = 34,869.06 : x
  2. Step 2: Convert to fraction form
    63,163.98/87,163.98 = 34,869.06/x
  3. Step 3: Cross multiply
    63,163.98x = 87,163.98 × 34,869.06
  4. Step 4: Simplify right side
    63,163.98x = 3,039,326,048.46
  5. Step 5: Solve for x
    x = 3,039,326,048.46/63,163.98
  6. Step 6: Final answer
    x = 48,118.03

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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.