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Finding the Fourth Proportional to 64,188.92, 96,225.06 and 29,109.44

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Solution

The fourth proportional to 64,188.92, 96,225.06 and 29,109.44 is: 43,637.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,188.92 : 96,225.06 = 29,109.44 : x
  2. Step 2: Convert to fraction form
    64,188.92/96,225.06 = 29,109.44/x
  3. Step 3: Cross multiply
    64,188.92x = 96,225.06 × 29,109.44
  4. Step 4: Simplify right side
    64,188.92x = 2,801,057,610.57
  5. Step 5: Solve for x
    x = 2,801,057,610.57/64,188.92
  6. Step 6: Final answer
    x = 43,637.71

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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.