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Finding the Fourth Proportional to 171,966.03, 257,861.31 and 101,027.28

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Solution

The fourth proportional to 171,966.03, 257,861.31 and 101,027.28 is: 151,489.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,966.03 : 257,861.31 = 101,027.28 : x
  2. Step 2: Convert to fraction form
    171,966.03/257,861.31 = 101,027.28/x
  3. Step 3: Cross multiply
    171,966.03x = 257,861.31 × 101,027.28
  4. Step 4: Simplify right side
    171,966.03x = 26,051,026,766.54
  5. Step 5: Solve for x
    x = 26,051,026,766.54/171,966.03
  6. Step 6: Final answer
    x = 151,489.38

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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.