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Finding the Fourth Proportional to 63,165.98, 87,166.74 and 34,871.06

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Solution

The fourth proportional to 63,165.98, 87,166.74 and 34,871.06 is: 48,120.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,165.98 : 87,166.74 = 34,871.06 : x
  2. Step 2: Convert to fraction form
    63,165.98/87,166.74 = 34,871.06/x
  3. Step 3: Cross multiply
    63,165.98x = 87,166.74 × 34,871.06
  4. Step 4: Simplify right side
    63,165.98x = 3,039,596,620.54
  5. Step 5: Solve for x
    x = 3,039,596,620.54/63,165.98
  6. Step 6: Final answer
    x = 48,120.79

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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.