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Finding the Fourth Proportional to 88,735, 133,101.96 and 25,556.80

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Solution

The fourth proportional to 88,735, 133,101.96 and 25,556.80 is: 38,335.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,735 : 133,101.96 = 25,556.80 : x
  2. Step 2: Convert to fraction form
    88,735/133,101.96 = 25,556.80/x
  3. Step 3: Cross multiply
    88,735x = 133,101.96 × 25,556.80
  4. Step 4: Simplify right side
    88,735x = 3,401,660,171.33
  5. Step 5: Solve for x
    x = 3,401,660,171.33/88,735
  6. Step 6: Final answer
    x = 38,335.04

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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.