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Finding the Fourth Proportional to 171,119.10, 256,696.26 and 64,592.79

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Solution

The fourth proportional to 171,119.10, 256,696.26 and 64,592.79 is: 96,895.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,119.10 : 256,696.26 = 64,592.79 : x
  2. Step 2: Convert to fraction form
    171,119.10/256,696.26 = 64,592.79/x
  3. Step 3: Cross multiply
    171,119.10x = 256,696.26 × 64,592.79
  4. Step 4: Simplify right side
    171,119.10x = 16,580,727,615.97
  5. Step 5: Solve for x
    x = 16,580,727,615.97/171,119.10
  6. Step 6: Final answer
    x = 96,895.83

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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.