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Finding the Fourth Proportional to 87,466.40, 131,134.80 and 37,505.60

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Solution

The fourth proportional to 87,466.40, 131,134.80 and 37,505.60 is: 56,230.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,466.40 : 131,134.80 = 37,505.60 : x
  2. Step 2: Convert to fraction form
    87,466.40/131,134.80 = 37,505.60/x
  3. Step 3: Cross multiply
    87,466.40x = 131,134.80 × 37,505.60
  4. Step 4: Simplify right side
    87,466.40x = 4,918,289,354.88
  5. Step 5: Solve for x
    x = 4,918,289,354.88/87,466.40
  6. Step 6: Final answer
    x = 56,230.61

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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.