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Finding the Fourth Proportional to 69,288.38, 103,854.81 and 34,252.64

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Solution

The fourth proportional to 69,288.38, 103,854.81 and 34,252.64 is: 51,340.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,288.38 : 103,854.81 = 34,252.64 : x
  2. Step 2: Convert to fraction form
    69,288.38/103,854.81 = 34,252.64/x
  3. Step 3: Cross multiply
    69,288.38x = 103,854.81 × 34,252.64
  4. Step 4: Simplify right side
    69,288.38x = 3,557,301,419.20
  5. Step 5: Solve for x
    x = 3,557,301,419.20/69,288.38
  6. Step 6: Final answer
    x = 51,340.52

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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.