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Finding the Fourth Proportional to 252,662.15, 348,658.83 and 137,917.96

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Solution

The fourth proportional to 252,662.15, 348,658.83 and 137,917.96 is: 190,318.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,662.15 : 348,658.83 = 137,917.96 : x
  2. Step 2: Convert to fraction form
    252,662.15/348,658.83 = 137,917.96/x
  3. Step 3: Cross multiply
    252,662.15x = 348,658.83 × 137,917.96
  4. Step 4: Simplify right side
    252,662.15x = 48,086,313,697.94
  5. Step 5: Solve for x
    x = 48,086,313,697.94/252,662.15
  6. Step 6: Final answer
    x = 190,318.63

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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.