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Finding the Fourth Proportional to 104,218.44, 156,327.72 and 73,192.20

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Solution

The fourth proportional to 104,218.44, 156,327.72 and 73,192.20 is: 109,788.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,218.44 : 156,327.72 = 73,192.20 : x
  2. Step 2: Convert to fraction form
    104,218.44/156,327.72 = 73,192.20/x
  3. Step 3: Cross multiply
    104,218.44x = 156,327.72 × 73,192.20
  4. Step 4: Simplify right side
    104,218.44x = 11,441,969,747.78
  5. Step 5: Solve for x
    x = 11,441,969,747.78/104,218.44
  6. Step 6: Final answer
    x = 109,788.34

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1.5x scale

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.