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Finding the Fourth Proportional to 89,795.97, 134,694.63 and 39,862.64

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Solution

The fourth proportional to 89,795.97, 134,694.63 and 39,862.64 is: 59,794.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,795.97 : 134,694.63 = 39,862.64 : x
  2. Step 2: Convert to fraction form
    89,795.97/134,694.63 = 39,862.64/x
  3. Step 3: Cross multiply
    89,795.97x = 134,694.63 × 39,862.64
  4. Step 4: Simplify right side
    89,795.97x = 5,369,283,782.70
  5. Step 5: Solve for x
    x = 5,369,283,782.70/89,795.97
  6. Step 6: Final answer
    x = 59,794.26

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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.