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Finding the Fourth Proportional to 243,880.20, 365,346.88 and 179,721.92

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Solution

The fourth proportional to 243,880.20, 365,346.88 and 179,721.92 is: 269,234.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,880.20 : 365,346.88 = 179,721.92 : x
  2. Step 2: Convert to fraction form
    243,880.20/365,346.88 = 179,721.92/x
  3. Step 3: Cross multiply
    243,880.20x = 365,346.88 × 179,721.92
  4. Step 4: Simplify right side
    243,880.20x = 65,660,843,203.67
  5. Step 5: Solve for x
    x = 65,660,843,203.67/243,880.20
  6. Step 6: Final answer
    x = 269,234.01

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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.