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Finding the Fourth Proportional to 63,143.94, 87,138.24 and 34,849.62

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Solution

The fourth proportional to 63,143.94, 87,138.24 and 34,849.62 is: 48,092.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,143.94 : 87,138.24 = 34,849.62 : x
  2. Step 2: Convert to fraction form
    63,143.94/87,138.24 = 34,849.62/x
  3. Step 3: Cross multiply
    63,143.94x = 87,138.24 × 34,849.62
  4. Step 4: Simplify right side
    63,143.94x = 3,036,734,551.47
  5. Step 5: Solve for x
    x = 3,036,734,551.47/63,143.94
  6. Step 6: Final answer
    x = 48,092.26

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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.