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Finding the Fourth Proportional to 64,115.08, 96,160.54 and 17,361.80

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Solution

The fourth proportional to 64,115.08, 96,160.54 and 17,361.80 is: 26,039.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,115.08 : 96,160.54 = 17,361.80 : x
  2. Step 2: Convert to fraction form
    64,115.08/96,160.54 = 17,361.80/x
  3. Step 3: Cross multiply
    64,115.08x = 96,160.54 × 17,361.80
  4. Step 4: Simplify right side
    64,115.08x = 1,669,520,063.37
  5. Step 5: Solve for x
    x = 1,669,520,063.37/64,115.08
  6. Step 6: Final answer
    x = 26,039.43

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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.