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Finding the Fourth Proportional to 69,141.86, 103,626.48 and 29,653.22

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Solution

The fourth proportional to 69,141.86, 103,626.48 and 29,653.22 is: 44,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,141.86 : 103,626.48 = 29,653.22 : x
  2. Step 2: Convert to fraction form
    69,141.86/103,626.48 = 29,653.22/x
  3. Step 3: Cross multiply
    69,141.86x = 103,626.48 × 29,653.22
  4. Step 4: Simplify right side
    69,141.86x = 3,072,858,809.27
  5. Step 5: Solve for x
    x = 3,072,858,809.27/69,141.86
  6. Step 6: Final answer
    x = 44,442.81

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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.