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Finding the Fourth Proportional to 174,446.80, 261,670.20 and 165,845.20

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Solution

The fourth proportional to 174,446.80, 261,670.20 and 165,845.20 is: 248,767.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,446.80 : 261,670.20 = 165,845.20 : x
  2. Step 2: Convert to fraction form
    174,446.80/261,670.20 = 165,845.20/x
  3. Step 3: Cross multiply
    174,446.80x = 261,670.20 × 165,845.20
  4. Step 4: Simplify right side
    174,446.80x = 43,396,746,653.04
  5. Step 5: Solve for x
    x = 43,396,746,653.04/174,446.80
  6. Step 6: Final answer
    x = 248,767.80

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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.