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Finding the Fourth Proportional to 162,504.03, 243,786.56 and 73,763.78

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Solution

The fourth proportional to 162,504.03, 243,786.56 and 73,763.78 is: 110,659.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,504.03 : 243,786.56 = 73,763.78 : x
  2. Step 2: Convert to fraction form
    162,504.03/243,786.56 = 73,763.78/x
  3. Step 3: Cross multiply
    162,504.03x = 243,786.56 × 73,763.78
  4. Step 4: Simplify right side
    162,504.03x = 17,982,616,591.05
  5. Step 5: Solve for x
    x = 17,982,616,591.05/162,504.03
  6. Step 6: Final answer
    x = 110,659.51

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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.