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Finding the Fourth Proportional to 171,076.66, 235,834.40 and 119,934.54

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Solution

The fourth proportional to 171,076.66, 235,834.40 and 119,934.54 is: 165,333.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,076.66 : 235,834.40 = 119,934.54 : x
  2. Step 2: Convert to fraction form
    171,076.66/235,834.40 = 119,934.54/x
  3. Step 3: Cross multiply
    171,076.66x = 235,834.40 × 119,934.54
  4. Step 4: Simplify right side
    171,076.66x = 28,284,690,580.01
  5. Step 5: Solve for x
    x = 28,284,690,580.01/171,076.66
  6. Step 6: Final answer
    x = 165,333.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.