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Finding the Fourth Proportional to 69,297.51, 95,645.40 and 43,787.68

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Solution

The fourth proportional to 69,297.51, 95,645.40 and 43,787.68 is: 60,436.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,297.51 : 95,645.40 = 43,787.68 : x
  2. Step 2: Convert to fraction form
    69,297.51/95,645.40 = 43,787.68/x
  3. Step 3: Cross multiply
    69,297.51x = 95,645.40 × 43,787.68
  4. Step 4: Simplify right side
    69,297.51x = 4,188,090,168.67
  5. Step 5: Solve for x
    x = 4,188,090,168.67/69,297.51
  6. Step 6: Final answer
    x = 60,436.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.