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Finding the Fourth Proportional to 164,517.21, 246,877.34 and 64,659.87

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Solution

The fourth proportional to 164,517.21, 246,877.34 and 64,659.87 is: 97,029.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,517.21 : 246,877.34 = 64,659.87 : x
  2. Step 2: Convert to fraction form
    164,517.21/246,877.34 = 64,659.87/x
  3. Step 3: Cross multiply
    164,517.21x = 246,877.34 × 64,659.87
  4. Step 4: Simplify right side
    164,517.21x = 15,963,056,387.05
  5. Step 5: Solve for x
    x = 15,963,056,387.05/164,517.21
  6. Step 6: Final answer
    x = 97,029.71

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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.