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Finding the Fourth Proportional to 95,551.40, 131,858.10 and 53,107.40

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Solution

The fourth proportional to 95,551.40, 131,858.10 and 53,107.40 is: 73,286.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,551.40 : 131,858.10 = 53,107.40 : x
  2. Step 2: Convert to fraction form
    95,551.40/131,858.10 = 53,107.40/x
  3. Step 3: Cross multiply
    95,551.40x = 131,858.10 × 53,107.40
  4. Step 4: Simplify right side
    95,551.40x = 7,002,640,859.94
  5. Step 5: Solve for x
    x = 7,002,640,859.94/95,551.40
  6. Step 6: Final answer
    x = 73,286.64

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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.