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Finding the Fourth Proportional to 625,172.07, 937,745.13 and 151,859.91

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Solution

The fourth proportional to 625,172.07, 937,745.13 and 151,859.91 is: 227,786.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,172.07 : 937,745.13 = 151,859.91 : x
  2. Step 2: Convert to fraction form
    625,172.07/937,745.13 = 151,859.91/x
  3. Step 3: Cross multiply
    625,172.07x = 937,745.13 × 151,859.91
  4. Step 4: Simplify right side
    625,172.07x = 142,405,891,044.74
  5. Step 5: Solve for x
    x = 142,405,891,044.74/625,172.07
  6. Step 6: Final answer
    x = 227,786.71

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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.