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Finding the Fourth Proportional to 57,170.83, 85,710.44 and 27,170.01

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Solution

The fourth proportional to 57,170.83, 85,710.44 and 27,170.01 is: 40,733.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,170.83 : 85,710.44 = 27,170.01 : x
  2. Step 2: Convert to fraction form
    57,170.83/85,710.44 = 27,170.01/x
  3. Step 3: Cross multiply
    57,170.83x = 85,710.44 × 27,170.01
  4. Step 4: Simplify right side
    57,170.83x = 2,328,753,511.90
  5. Step 5: Solve for x
    x = 2,328,753,511.90/57,170.83
  6. Step 6: Final answer
    x = 40,733.25

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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.