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Finding the Fourth Proportional to 64,257.72, 96,362.56 and 22,125.88

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Solution

The fourth proportional to 64,257.72, 96,362.56 and 22,125.88 is: 33,180.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,257.72 : 96,362.56 = 22,125.88 : x
  2. Step 2: Convert to fraction form
    64,257.72/96,362.56 = 22,125.88/x
  3. Step 3: Cross multiply
    64,257.72x = 96,362.56 × 22,125.88
  4. Step 4: Simplify right side
    64,257.72x = 2,132,106,439.05
  5. Step 5: Solve for x
    x = 2,132,106,439.05/64,257.72
  6. Step 6: Final answer
    x = 33,180.55

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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.