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Finding the Fourth Proportional to 171,138.02, 256,652.43 and 58,791.15

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Solution

The fourth proportional to 171,138.02, 256,652.43 and 58,791.15 is: 88,167.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,138.02 : 256,652.43 = 58,791.15 : x
  2. Step 2: Convert to fraction form
    171,138.02/256,652.43 = 58,791.15/x
  3. Step 3: Cross multiply
    171,138.02x = 256,652.43 × 58,791.15
  4. Step 4: Simplify right side
    171,138.02x = 15,088,890,868.36
  5. Step 5: Solve for x
    x = 15,088,890,868.36/171,138.02
  6. Step 6: Final answer
    x = 88,167.96

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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.