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Finding the Fourth Proportional to 236,902.78, 355,334.20 and 101,961.40

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Solution

The fourth proportional to 236,902.78, 355,334.20 and 101,961.40 is: 152,933.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,902.78 : 355,334.20 = 101,961.40 : x
  2. Step 2: Convert to fraction form
    236,902.78/355,334.20 = 101,961.40/x
  3. Step 3: Cross multiply
    236,902.78x = 355,334.20 × 101,961.40
  4. Step 4: Simplify right side
    236,902.78x = 36,230,371,310.28
  5. Step 5: Solve for x
    x = 36,230,371,310.28/236,902.78
  6. Step 6: Final answer
    x = 152,933.50

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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.