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Finding the Fourth Proportional to 245,863, 369,105.78 and 150,859.80

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Solution

The fourth proportional to 245,863, 369,105.78 and 150,859.80 is: 226,480.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,863 : 369,105.78 = 150,859.80 : x
  2. Step 2: Convert to fraction form
    245,863/369,105.78 = 150,859.80/x
  3. Step 3: Cross multiply
    245,863x = 369,105.78 × 150,859.80
  4. Step 4: Simplify right side
    245,863x = 55,683,224,149.64
  5. Step 5: Solve for x
    x = 55,683,224,149.64/245,863
  6. Step 6: Final answer
    x = 226,480.70

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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.