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Finding the Fourth Proportional to 88,144.94, 132,226.80 and 28,152.45

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Solution

The fourth proportional to 88,144.94, 132,226.80 and 28,152.45 is: 42,231.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,144.94 : 132,226.80 = 28,152.45 : x
  2. Step 2: Convert to fraction form
    88,144.94/132,226.80 = 28,152.45/x
  3. Step 3: Cross multiply
    88,144.94x = 132,226.80 × 28,152.45
  4. Step 4: Simplify right side
    88,144.94x = 3,722,508,375.66
  5. Step 5: Solve for x
    x = 3,722,508,375.66/88,144.94
  6. Step 6: Final answer
    x = 42,231.68

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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.