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Finding the Fourth Proportional to 89,487.54, 134,231.28 and 32,556.66

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Solution

The fourth proportional to 89,487.54, 134,231.28 and 32,556.66 is: 48,834.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,487.54 : 134,231.28 = 32,556.66 : x
  2. Step 2: Convert to fraction form
    89,487.54/134,231.28 = 32,556.66/x
  3. Step 3: Cross multiply
    89,487.54x = 134,231.28 × 32,556.66
  4. Step 4: Simplify right side
    89,487.54x = 4,370,122,144.32
  5. Step 5: Solve for x
    x = 4,370,122,144.32/89,487.54
  6. Step 6: Final answer
    x = 48,834.98

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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.