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Finding the Fourth Proportional to 163,246.80, 244,870.20 and 146,917.20

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Solution

The fourth proportional to 163,246.80, 244,870.20 and 146,917.20 is: 220,375.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,246.80 : 244,870.20 = 146,917.20 : x
  2. Step 2: Convert to fraction form
    163,246.80/244,870.20 = 146,917.20/x
  3. Step 3: Cross multiply
    163,246.80x = 244,870.20 × 146,917.20
  4. Step 4: Simplify right side
    163,246.80x = 35,975,644,147.44
  5. Step 5: Solve for x
    x = 35,975,644,147.44/163,246.80
  6. Step 6: Final answer
    x = 220,375.80

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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.