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Finding the Fourth Proportional to 170,789.34, 256,217.49 and 65,600.22

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Solution

The fourth proportional to 170,789.34, 256,217.49 and 65,600.22 is: 98,413.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,789.34 : 256,217.49 = 65,600.22 : x
  2. Step 2: Convert to fraction form
    170,789.34/256,217.49 = 65,600.22/x
  3. Step 3: Cross multiply
    170,789.34x = 256,217.49 × 65,600.22
  4. Step 4: Simplify right side
    170,789.34x = 16,807,923,711.85
  5. Step 5: Solve for x
    x = 16,807,923,711.85/170,789.34
  6. Step 6: Final answer
    x = 98,413.19

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1.5x scale

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.