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Finding the Fourth Proportional to 95,458.81, 131,735.90 and 53,020.08

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Solution

The fourth proportional to 95,458.81, 131,735.90 and 53,020.08 is: 73,169.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,458.81 : 131,735.90 = 53,020.08 : x
  2. Step 2: Convert to fraction form
    95,458.81/131,735.90 = 53,020.08/x
  3. Step 3: Cross multiply
    95,458.81x = 131,735.90 × 53,020.08
  4. Step 4: Simplify right side
    95,458.81x = 6,984,647,956.87
  5. Step 5: Solve for x
    x = 6,984,647,956.87/95,458.81
  6. Step 6: Final answer
    x = 73,169.23

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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.