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Finding the Fourth Proportional to 63,178.40, 87,183.91 and 34,883.48

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Solution

The fourth proportional to 63,178.40, 87,183.91 and 34,883.48 is: 48,137.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,178.40 : 87,183.91 = 34,883.48 : x
  2. Step 2: Convert to fraction form
    63,178.40/87,183.91 = 34,883.48/x
  3. Step 3: Cross multiply
    63,178.40x = 87,183.91 × 34,883.48
  4. Step 4: Simplify right side
    63,178.40x = 3,041,278,442.37
  5. Step 5: Solve for x
    x = 3,041,278,442.37/63,178.40
  6. Step 6: Final answer
    x = 48,137.94

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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.