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Finding the Fourth Proportional to 64,755.92, 97,134.12 and 33,148.73

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Solution

The fourth proportional to 64,755.92, 97,134.12 and 33,148.73 is: 49,723.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,755.92 : 97,134.12 = 33,148.73 : x
  2. Step 2: Convert to fraction form
    64,755.92/97,134.12 = 33,148.73/x
  3. Step 3: Cross multiply
    64,755.92x = 97,134.12 × 33,148.73
  4. Step 4: Simplify right side
    64,755.92x = 3,219,872,232.00
  5. Step 5: Solve for x
    x = 3,219,872,232.00/64,755.92
  6. Step 6: Final answer
    x = 49,723.21

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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.