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Finding the Fourth Proportional to 69,410.52, 104,006.76 and 53,654.16

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Solution

The fourth proportional to 69,410.52, 104,006.76 and 53,654.16 is: 80,396.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,410.52 : 104,006.76 = 53,654.16 : x
  2. Step 2: Convert to fraction form
    69,410.52/104,006.76 = 53,654.16/x
  3. Step 3: Cross multiply
    69,410.52x = 104,006.76 × 53,654.16
  4. Step 4: Simplify right side
    69,410.52x = 5,580,395,342.12
  5. Step 5: Solve for x
    x = 5,580,395,342.12/69,410.52
  6. Step 6: Final answer
    x = 80,396.97

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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.