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Finding the Fourth Proportional to 69,796.92, 96,270.96 and 45,915.96

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Solution

The fourth proportional to 69,796.92, 96,270.96 and 45,915.96 is: 63,331.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,796.92 : 96,270.96 = 45,915.96 : x
  2. Step 2: Convert to fraction form
    69,796.92/96,270.96 = 45,915.96/x
  3. Step 3: Cross multiply
    69,796.92x = 96,270.96 × 45,915.96
  4. Step 4: Simplify right side
    69,796.92x = 4,420,373,548.52
  5. Step 5: Solve for x
    x = 4,420,373,548.52/69,796.92
  6. Step 6: Final answer
    x = 63,331.93

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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.