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Finding the Fourth Proportional to 168,785.66, 253,100.56 and 62,142.83

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Solution

The fourth proportional to 168,785.66, 253,100.56 and 62,142.83 is: 93,185.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,785.66 : 253,100.56 = 62,142.83 : x
  2. Step 2: Convert to fraction form
    168,785.66/253,100.56 = 62,142.83/x
  3. Step 3: Cross multiply
    168,785.66x = 253,100.56 × 62,142.83
  4. Step 4: Simplify right side
    168,785.66x = 15,728,385,072.98
  5. Step 5: Solve for x
    x = 15,728,385,072.98/168,785.66
  6. Step 6: Final answer
    x = 93,185.55

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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.