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Finding the Fourth Proportional to 69,366.42, 104,048.91 and 36,069.30

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Solution

The fourth proportional to 69,366.42, 104,048.91 and 36,069.30 is: 54,103.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,366.42 : 104,048.91 = 36,069.30 : x
  2. Step 2: Convert to fraction form
    69,366.42/104,048.91 = 36,069.30/x
  3. Step 3: Cross multiply
    69,366.42x = 104,048.91 × 36,069.30
  4. Step 4: Simplify right side
    69,366.42x = 3,752,971,349.46
  5. Step 5: Solve for x
    x = 3,752,971,349.46/69,366.42
  6. Step 6: Final answer
    x = 54,103.58

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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.