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Finding the Fourth Proportional to 69,297.76, 95,645.75 and 43,787.93

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Solution

The fourth proportional to 69,297.76, 95,645.75 and 43,787.93 is: 60,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,297.76 : 95,645.75 = 43,787.93 : x
  2. Step 2: Convert to fraction form
    69,297.76/95,645.75 = 43,787.93/x
  3. Step 3: Cross multiply
    69,297.76x = 95,645.75 × 43,787.93
  4. Step 4: Simplify right side
    69,297.76x = 4,188,129,186.86
  5. Step 5: Solve for x
    x = 4,188,129,186.86/69,297.76
  6. Step 6: Final answer
    x = 60,436.72

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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.