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Finding the Fourth Proportional to 88,660.80, 133,029.60 and 41,889.60

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Solution

The fourth proportional to 88,660.80, 133,029.60 and 41,889.60 is: 62,852.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,660.80 : 133,029.60 = 41,889.60 : x
  2. Step 2: Convert to fraction form
    88,660.80/133,029.60 = 41,889.60/x
  3. Step 3: Cross multiply
    88,660.80x = 133,029.60 × 41,889.60
  4. Step 4: Simplify right side
    88,660.80x = 5,572,556,732.16
  5. Step 5: Solve for x
    x = 5,572,556,732.16/88,660.80
  6. Step 6: Final answer
    x = 62,852.54

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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.