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Finding the Fourth Proportional to 170,940.66, 256,440.18 and 52,609.38

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Solution

The fourth proportional to 170,940.66, 256,440.18 and 52,609.38 is: 78,923.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,940.66 : 256,440.18 = 52,609.38 : x
  2. Step 2: Convert to fraction form
    170,940.66/256,440.18 = 52,609.38/x
  3. Step 3: Cross multiply
    170,940.66x = 256,440.18 × 52,609.38
  4. Step 4: Simplify right side
    170,940.66x = 13,491,158,876.89
  5. Step 5: Solve for x
    x = 13,491,158,876.89/170,940.66
  6. Step 6: Final answer
    x = 78,923.05

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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.