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Finding the Fourth Proportional to 104,241.66, 156,362.22 and 73,215.42

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Solution

The fourth proportional to 104,241.66, 156,362.22 and 73,215.42 is: 109,822.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,241.66 : 156,362.22 = 73,215.42 : x
  2. Step 2: Convert to fraction form
    104,241.66/156,362.22 = 73,215.42/x
  3. Step 3: Cross multiply
    104,241.66x = 156,362.22 × 73,215.42
  4. Step 4: Simplify right side
    104,241.66x = 11,448,125,609.43
  5. Step 5: Solve for x
    x = 11,448,125,609.43/104,241.66
  6. Step 6: Final answer
    x = 109,822.94

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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.