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Finding the Fourth Proportional to 89,851.52, 134,596.80 and 44,736.96

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Solution

The fourth proportional to 89,851.52, 134,596.80 and 44,736.96 is: 67,015.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,851.52 : 134,596.80 = 44,736.96 : x
  2. Step 2: Convert to fraction form
    89,851.52/134,596.80 = 44,736.96/x
  3. Step 3: Cross multiply
    89,851.52x = 134,596.80 × 44,736.96
  4. Step 4: Simplify right side
    89,851.52x = 6,021,451,657.73
  5. Step 5: Solve for x
    x = 6,021,451,657.73/89,851.52
  6. Step 6: Final answer
    x = 67,015.58

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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.