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Finding the Fourth Proportional to 104,481.52, 156,689.04 and 34,344.64

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Solution

The fourth proportional to 104,481.52, 156,689.04 and 34,344.64 is: 51,506.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,481.52 : 156,689.04 = 34,344.64 : x
  2. Step 2: Convert to fraction form
    104,481.52/156,689.04 = 34,344.64/x
  3. Step 3: Cross multiply
    104,481.52x = 156,689.04 × 34,344.64
  4. Step 4: Simplify right side
    104,481.52x = 5,381,428,670.75
  5. Step 5: Solve for x
    x = 5,381,428,670.75/104,481.52
  6. Step 6: Final answer
    x = 51,506.03

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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.