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Finding the Fourth Proportional to 72,846.64, 109,270.32 and 22,930.66

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Solution

The fourth proportional to 72,846.64, 109,270.32 and 22,930.66 is: 34,396.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,846.64 : 109,270.32 = 22,930.66 : x
  2. Step 2: Convert to fraction form
    72,846.64/109,270.32 = 22,930.66/x
  3. Step 3: Cross multiply
    72,846.64x = 109,270.32 × 22,930.66
  4. Step 4: Simplify right side
    72,846.64x = 2,505,640,556.01
  5. Step 5: Solve for x
    x = 2,505,640,556.01/72,846.64
  6. Step 6: Final answer
    x = 34,396.10

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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.