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Finding the Fourth Proportional to 237,907, 328,311.66 and 131,923

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Solution

The fourth proportional to 237,907, 328,311.66 and 131,923 is: 182,053.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,907 : 328,311.66 = 131,923 : x
  2. Step 2: Convert to fraction form
    237,907/328,311.66 = 131,923/x
  3. Step 3: Cross multiply
    237,907x = 328,311.66 × 131,923
  4. Step 4: Simplify right side
    237,907x = 43,311,859,122.18
  5. Step 5: Solve for x
    x = 43,311,859,122.18/237,907
  6. Step 6: Final answer
    x = 182,053.74

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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.