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Finding the Fourth Proportional to 171,285.52, 256,283.16 and 118,796.56

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Solution

The fourth proportional to 171,285.52, 256,283.16 and 118,796.56 is: 177,747.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,285.52 : 256,283.16 = 118,796.56 : x
  2. Step 2: Convert to fraction form
    171,285.52/256,283.16 = 118,796.56/x
  3. Step 3: Cross multiply
    171,285.52x = 256,283.16 × 118,796.56
  4. Step 4: Simplify right side
    171,285.52x = 30,445,557,793.93
  5. Step 5: Solve for x
    x = 30,445,557,793.93/171,285.52
  6. Step 6: Final answer
    x = 177,747.41

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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.