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Finding the Fourth Proportional to 69,404.13, 104,104.31 and 19,484.64

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Solution

The fourth proportional to 69,404.13, 104,104.31 and 19,484.64 is: 29,226.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,404.13 : 104,104.31 = 19,484.64 : x
  2. Step 2: Convert to fraction form
    69,404.13/104,104.31 = 19,484.64/x
  3. Step 3: Cross multiply
    69,404.13x = 104,104.31 × 19,484.64
  4. Step 4: Simplify right side
    69,404.13x = 2,028,434,905.38
  5. Step 5: Solve for x
    x = 2,028,434,905.38/69,404.13
  6. Step 6: Final answer
    x = 29,226.43

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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.