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Finding the Fourth Proportional to 225,859.71, 338,197.71 and 158,937.51

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Solution

The fourth proportional to 225,859.71, 338,197.71 and 158,937.51 is: 237,989.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,859.71 : 338,197.71 = 158,937.51 : x
  2. Step 2: Convert to fraction form
    225,859.71/338,197.71 = 158,937.51/x
  3. Step 3: Cross multiply
    225,859.71x = 338,197.71 × 158,937.51
  4. Step 4: Simplify right side
    225,859.71x = 53,752,301,915.10
  5. Step 5: Solve for x
    x = 53,752,301,915.10/225,859.71
  6. Step 6: Final answer
    x = 237,989.78

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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.