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Finding the Fourth Proportional to 171,887.40, 257,769.41 and 59,537.43

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Solution

The fourth proportional to 171,887.40, 257,769.41 and 59,537.43 is: 89,284.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,887.40 : 257,769.41 = 59,537.43 : x
  2. Step 2: Convert to fraction form
    171,887.40/257,769.41 = 59,537.43/x
  3. Step 3: Cross multiply
    171,887.40x = 257,769.41 × 59,537.43
  4. Step 4: Simplify right side
    171,887.40x = 15,346,927,906.33
  5. Step 5: Solve for x
    x = 15,346,927,906.33/171,887.40
  6. Step 6: Final answer
    x = 89,284.78

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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.