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Finding the Fourth Proportional to 170,990.73, 256,500.67 and 44,647.74

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Solution

The fourth proportional to 170,990.73, 256,500.67 and 44,647.74 is: 66,975.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,990.73 : 256,500.67 = 44,647.74 : x
  2. Step 2: Convert to fraction form
    170,990.73/256,500.67 = 44,647.74/x
  3. Step 3: Cross multiply
    170,990.73x = 256,500.67 × 44,647.74
  4. Step 4: Simplify right side
    170,990.73x = 11,452,175,223.99
  5. Step 5: Solve for x
    x = 11,452,175,223.99/170,990.73
  6. Step 6: Final answer
    x = 66,975.42

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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.