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Finding the Fourth Proportional to 168,608.66, 252,878.63 and 61,955.96

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Solution

The fourth proportional to 168,608.66, 252,878.63 and 61,955.96 is: 92,921.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,608.66 : 252,878.63 = 61,955.96 : x
  2. Step 2: Convert to fraction form
    168,608.66/252,878.63 = 61,955.96/x
  3. Step 3: Cross multiply
    168,608.66x = 252,878.63 × 61,955.96
  4. Step 4: Simplify right side
    168,608.66x = 15,667,336,710.96
  5. Step 5: Solve for x
    x = 15,667,336,710.96/168,608.66
  6. Step 6: Final answer
    x = 92,921.31

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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.