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Finding the Fourth Proportional to 69,366.71, 104,104.77 and 35,631.36

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Solution

The fourth proportional to 69,366.71, 104,104.77 and 35,631.36 is: 53,475.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,366.71 : 104,104.77 = 35,631.36 : x
  2. Step 2: Convert to fraction form
    69,366.71/104,104.77 = 35,631.36/x
  3. Step 3: Cross multiply
    69,366.71x = 104,104.77 × 35,631.36
  4. Step 4: Simplify right side
    69,366.71x = 3,709,394,537.59
  5. Step 5: Solve for x
    x = 3,709,394,537.59/69,366.71
  6. Step 6: Final answer
    x = 53,475.14

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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.