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Finding the Fourth Proportional to 64,099.76, 96,150.85 and 22,028.15

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Solution

The fourth proportional to 64,099.76, 96,150.85 and 22,028.15 is: 33,042.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,099.76 : 96,150.85 = 22,028.15 : x
  2. Step 2: Convert to fraction form
    64,099.76/96,150.85 = 22,028.15/x
  3. Step 3: Cross multiply
    64,099.76x = 96,150.85 × 22,028.15
  4. Step 4: Simplify right side
    64,099.76x = 2,118,025,531.73
  5. Step 5: Solve for x
    x = 2,118,025,531.73/64,099.76
  6. Step 6: Final answer
    x = 33,042.65

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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.