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Finding the Fourth Proportional to 246,661.48, 340,161.84 and 163,728.80

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Solution

The fourth proportional to 246,661.48, 340,161.84 and 163,728.80 is: 225,792.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    246,661.48 : 340,161.84 = 163,728.80 : x
  2. Step 2: Convert to fraction form
    246,661.48/340,161.84 = 163,728.80/x
  3. Step 3: Cross multiply
    246,661.48x = 340,161.84 × 163,728.80
  4. Step 4: Simplify right side
    246,661.48x = 55,694,289,868.99
  5. Step 5: Solve for x
    x = 55,694,289,868.99/246,661.48
  6. Step 6: Final answer
    x = 225,792.41

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1.5x scale

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.