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Finding the Fourth Proportional to 95,358.53, 131,615.71 and 74,620.98

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Solution

The fourth proportional to 95,358.53, 131,615.71 and 74,620.98 is: 102,993.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,358.53 : 131,615.71 = 74,620.98 : x
  2. Step 2: Convert to fraction form
    95,358.53/131,615.71 = 74,620.98/x
  3. Step 3: Cross multiply
    95,358.53x = 131,615.71 × 74,620.98
  4. Step 4: Simplify right side
    95,358.53x = 9,821,293,077.04
  5. Step 5: Solve for x
    x = 9,821,293,077.04/95,358.53
  6. Step 6: Final answer
    x = 102,993.33

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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.