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Finding the Fourth Proportional to 95,301.77, 142,942.59 and 39,147.80

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Solution

The fourth proportional to 95,301.77, 142,942.59 and 39,147.80 is: 58,717.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,301.77 : 142,942.59 = 39,147.80 : x
  2. Step 2: Convert to fraction form
    95,301.77/142,942.59 = 39,147.80/x
  3. Step 3: Cross multiply
    95,301.77x = 142,942.59 × 39,147.80
  4. Step 4: Simplify right side
    95,301.77x = 5,595,887,210.09
  5. Step 5: Solve for x
    x = 5,595,887,210.09/95,301.77
  6. Step 6: Final answer
    x = 58,717.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.