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Finding the Fourth Proportional to 236,963.92, 355,445.88 and 79,192.37

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Solution

The fourth proportional to 236,963.92, 355,445.88 and 79,192.37 is: 118,788.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,963.92 : 355,445.88 = 79,192.37 : x
  2. Step 2: Convert to fraction form
    236,963.92/355,445.88 = 79,192.37/x
  3. Step 3: Cross multiply
    236,963.92x = 355,445.88 × 79,192.37
  4. Step 4: Simplify right side
    236,963.92x = 28,148,601,247.97
  5. Step 5: Solve for x
    x = 28,148,601,247.97/236,963.92
  6. Step 6: Final answer
    x = 118,788.56

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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.