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Finding the Fourth Proportional to 69,073.86, 95,220.45 and 48,868.41

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Solution

The fourth proportional to 69,073.86, 95,220.45 and 48,868.41 is: 67,366.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,073.86 : 95,220.45 = 48,868.41 : x
  2. Step 2: Convert to fraction form
    69,073.86/95,220.45 = 48,868.41/x
  3. Step 3: Cross multiply
    69,073.86x = 95,220.45 × 48,868.41
  4. Step 4: Simplify right side
    69,073.86x = 4,653,271,990.98
  5. Step 5: Solve for x
    x = 4,653,271,990.98/69,073.86
  6. Step 6: Final answer
    x = 67,366.61

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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.