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Finding the Fourth Proportional to 89,776.54, 134,727 and 35,735.68

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Solution

The fourth proportional to 89,776.54, 134,727 and 35,735.68 is: 53,628.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,776.54 : 134,727 = 35,735.68 : x
  2. Step 2: Convert to fraction form
    89,776.54/134,727 = 35,735.68/x
  3. Step 3: Cross multiply
    89,776.54x = 134,727 × 35,735.68
  4. Step 4: Simplify right side
    89,776.54x = 4,814,560,959.36
  5. Step 5: Solve for x
    x = 4,814,560,959.36/89,776.54
  6. Step 6: Final answer
    x = 53,628.27

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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.