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Finding the Fourth Proportional to 133,096.83, 183,671.20 and 75,734.90

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Solution

The fourth proportional to 133,096.83, 183,671.20 and 75,734.90 is: 104,512.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,096.83 : 183,671.20 = 75,734.90 : x
  2. Step 2: Convert to fraction form
    133,096.83/183,671.20 = 75,734.90/x
  3. Step 3: Cross multiply
    133,096.83x = 183,671.20 × 75,734.90
  4. Step 4: Simplify right side
    133,096.83x = 13,910,319,964.88
  5. Step 5: Solve for x
    x = 13,910,319,964.88/133,096.83
  6. Step 6: Final answer
    x = 104,512.78

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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.