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Finding the Fourth Proportional to 95,195.79, 142,694.69 and 31,968.99

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Solution

The fourth proportional to 95,195.79, 142,694.69 and 31,968.99 is: 47,920.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,195.79 : 142,694.69 = 31,968.99 : x
  2. Step 2: Convert to fraction form
    95,195.79/142,694.69 = 31,968.99/x
  3. Step 3: Cross multiply
    95,195.79x = 142,694.69 × 31,968.99
  4. Step 4: Simplify right side
    95,195.79x = 4,561,804,957.82
  5. Step 5: Solve for x
    x = 4,561,804,957.82/95,195.79
  6. Step 6: Final answer
    x = 47,920.24

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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.