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Finding the Fourth Proportional to 171,026.20, 256,563.60 and 52,685.20

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Solution

The fourth proportional to 171,026.20, 256,563.60 and 52,685.20 is: 79,035.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,026.20 : 256,563.60 = 52,685.20 : x
  2. Step 2: Convert to fraction form
    171,026.20/256,563.60 = 52,685.20/x
  3. Step 3: Cross multiply
    171,026.20x = 256,563.60 × 52,685.20
  4. Step 4: Simplify right side
    171,026.20x = 13,517,104,578.72
  5. Step 5: Solve for x
    x = 13,517,104,578.72/171,026.20
  6. Step 6: Final answer
    x = 79,035.29

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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.