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Finding the Fourth Proportional to 63,137.36, 87,129.24 and 34,844.78

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Solution

The fourth proportional to 63,137.36, 87,129.24 and 34,844.78 is: 48,085.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,137.36 : 87,129.24 = 34,844.78 : x
  2. Step 2: Convert to fraction form
    63,137.36/87,129.24 = 34,844.78/x
  3. Step 3: Cross multiply
    63,137.36x = 87,129.24 × 34,844.78
  4. Step 4: Simplify right side
    63,137.36x = 3,035,998,763.72
  5. Step 5: Solve for x
    x = 3,035,998,763.72/63,137.36
  6. Step 6: Final answer
    x = 48,085.62

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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.