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Finding the Fourth Proportional to 64,129.92, 88,499.22 and 35,835.60

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Solution

The fourth proportional to 64,129.92, 88,499.22 and 35,835.60 is: 49,453.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,129.92 : 88,499.22 = 35,835.60 : x
  2. Step 2: Convert to fraction form
    64,129.92/88,499.22 = 35,835.60/x
  3. Step 3: Cross multiply
    64,129.92x = 88,499.22 × 35,835.60
  4. Step 4: Simplify right side
    64,129.92x = 3,171,422,648.23
  5. Step 5: Solve for x
    x = 3,171,422,648.23/64,129.92
  6. Step 6: Final answer
    x = 49,453.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.