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Finding the Fourth Proportional to 171,481, 257,260.40 and 60,673

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Solution

The fourth proportional to 171,481, 257,260.40 and 60,673 is: 91,023.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,481 : 257,260.40 = 60,673 : x
  2. Step 2: Convert to fraction form
    171,481/257,260.40 = 60,673/x
  3. Step 3: Cross multiply
    171,481x = 257,260.40 × 60,673
  4. Step 4: Simplify right side
    171,481x = 15,608,760,249.20
  5. Step 5: Solve for x
    x = 15,608,760,249.20/171,481
  6. Step 6: Final answer
    x = 91,023.26

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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.