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Finding the Fourth Proportional to 64,179.90, 96,291.72 and 34,600.59

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Solution

The fourth proportional to 64,179.90, 96,291.72 and 34,600.59 is: 51,912.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,179.90 : 96,291.72 = 34,600.59 : x
  2. Step 2: Convert to fraction form
    64,179.90/96,291.72 = 34,600.59/x
  3. Step 3: Cross multiply
    64,179.90x = 96,291.72 × 34,600.59
  4. Step 4: Simplify right side
    64,179.90x = 3,331,750,324.11
  5. Step 5: Solve for x
    x = 3,331,750,324.11/64,179.90
  6. Step 6: Final answer
    x = 51,912.68

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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.