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Finding the Fourth Proportional to 104,240.66, 156,360.72 and 73,214.42

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Solution

The fourth proportional to 104,240.66, 156,360.72 and 73,214.42 is: 109,821.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,240.66 : 156,360.72 = 73,214.42 : x
  2. Step 2: Convert to fraction form
    104,240.66/156,360.72 = 73,214.42/x
  3. Step 3: Cross multiply
    104,240.66x = 156,360.72 × 73,214.42
  4. Step 4: Simplify right side
    104,240.66x = 11,447,859,425.58
  5. Step 5: Solve for x
    x = 11,447,859,425.58/104,240.66
  6. Step 6: Final answer
    x = 109,821.44

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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.