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Finding the Fourth Proportional to 163,825.30, 245,847.30 and 92,747.80

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Solution

The fourth proportional to 163,825.30, 245,847.30 and 92,747.80 is: 139,183.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,825.30 : 245,847.30 = 92,747.80 : x
  2. Step 2: Convert to fraction form
    163,825.30/245,847.30 = 92,747.80/x
  3. Step 3: Cross multiply
    163,825.30x = 245,847.30 × 92,747.80
  4. Step 4: Simplify right side
    163,825.30x = 22,801,796,210.94
  5. Step 5: Solve for x
    x = 22,801,796,210.94/163,825.30
  6. Step 6: Final answer
    x = 139,183.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.