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Finding the Fourth Proportional to 69,166.46, 103,583.36 and 39,494.36

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Solution

The fourth proportional to 69,166.46, 103,583.36 and 39,494.36 is: 59,146.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,166.46 : 103,583.36 = 39,494.36 : x
  2. Step 2: Convert to fraction form
    69,166.46/103,583.36 = 39,494.36/x
  3. Step 3: Cross multiply
    69,166.46x = 103,583.36 × 39,494.36
  4. Step 4: Simplify right side
    69,166.46x = 4,090,958,509.85
  5. Step 5: Solve for x
    x = 4,090,958,509.85/69,166.46
  6. Step 6: Final answer
    x = 59,146.56

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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.