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Finding the Fourth Proportional to 331,351.45, 497,044.46 and 94,729.93

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Solution

The fourth proportional to 331,351.45, 497,044.46 and 94,729.93 is: 142,099.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,351.45 : 497,044.46 = 94,729.93 : x
  2. Step 2: Convert to fraction form
    331,351.45/497,044.46 = 94,729.93/x
  3. Step 3: Cross multiply
    331,351.45x = 497,044.46 × 94,729.93
  4. Step 4: Simplify right side
    331,351.45x = 47,084,986,902.69
  5. Step 5: Solve for x
    x = 47,084,986,902.69/331,351.45
  6. Step 6: Final answer
    x = 142,099.84

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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.