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Finding the Fourth Proportional to 69,252.68, 103,903.74 and 22,505.72

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Solution

The fourth proportional to 69,252.68, 103,903.74 and 22,505.72 is: 33,766.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,252.68 : 103,903.74 = 22,505.72 : x
  2. Step 2: Convert to fraction form
    69,252.68/103,903.74 = 22,505.72/x
  3. Step 3: Cross multiply
    69,252.68x = 103,903.74 × 22,505.72
  4. Step 4: Simplify right side
    69,252.68x = 2,338,428,479.39
  5. Step 5: Solve for x
    x = 2,338,428,479.39/69,252.68
  6. Step 6: Final answer
    x = 33,766.61

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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.