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Finding the Fourth Proportional to 171,299.01, 236,364.44 and 107,591.43

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Solution

The fourth proportional to 171,299.01, 236,364.44 and 107,591.43 is: 148,458.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,299.01 : 236,364.44 = 107,591.43 : x
  2. Step 2: Convert to fraction form
    171,299.01/236,364.44 = 107,591.43/x
  3. Step 3: Cross multiply
    171,299.01x = 236,364.44 × 107,591.43
  4. Step 4: Simplify right side
    171,299.01x = 25,430,787,562.79
  5. Step 5: Solve for x
    x = 25,430,787,562.79/171,299.01
  6. Step 6: Final answer
    x = 148,458.46

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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.