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Finding the Fourth Proportional to 171,806.87, 257,648.54 and 59,456.57

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Solution

The fourth proportional to 171,806.87, 257,648.54 and 59,456.57 is: 89,163.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,806.87 : 257,648.54 = 59,456.57 : x
  2. Step 2: Convert to fraction form
    171,806.87/257,648.54 = 59,456.57/x
  3. Step 3: Cross multiply
    171,806.87x = 257,648.54 × 59,456.57
  4. Step 4: Simplify right side
    171,806.87x = 15,318,899,246.67
  5. Step 5: Solve for x
    x = 15,318,899,246.67/171,806.87
  6. Step 6: Final answer
    x = 89,163.49

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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.