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Finding the Fourth Proportional to 171,708.53, 257,579.19 and 53,348.09

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Solution

The fourth proportional to 171,708.53, 257,579.19 and 53,348.09 is: 80,027.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,708.53 : 257,579.19 = 53,348.09 : x
  2. Step 2: Convert to fraction form
    171,708.53/257,579.19 = 53,348.09/x
  3. Step 3: Cross multiply
    171,708.53x = 257,579.19 × 53,348.09
  4. Step 4: Simplify right side
    171,708.53x = 13,741,356,522.35
  5. Step 5: Solve for x
    x = 13,741,356,522.35/171,708.53
  6. Step 6: Final answer
    x = 80,027.22

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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.