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Finding the Fourth Proportional to 69,109.60, 103,664.88 and 29,633.44

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Solution

The fourth proportional to 69,109.60, 103,664.88 and 29,633.44 is: 44,450.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,109.60 : 103,664.88 = 29,633.44 : x
  2. Step 2: Convert to fraction form
    69,109.60/103,664.88 = 29,633.44/x
  3. Step 3: Cross multiply
    69,109.60x = 103,664.88 × 29,633.44
  4. Step 4: Simplify right side
    69,109.60x = 3,071,947,001.59
  5. Step 5: Solve for x
    x = 3,071,947,001.59/69,109.60
  6. Step 6: Final answer
    x = 44,450.37

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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.