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Finding the Fourth Proportional to 64,171.87, 88,521.63 and 37,311.41

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Solution

The fourth proportional to 64,171.87, 88,521.63 and 37,311.41 is: 51,469.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,171.87 : 88,521.63 = 37,311.41 : x
  2. Step 2: Convert to fraction form
    64,171.87/88,521.63 = 37,311.41/x
  3. Step 3: Cross multiply
    64,171.87x = 88,521.63 × 37,311.41
  4. Step 4: Simplify right side
    64,171.87x = 3,302,866,650.19
  5. Step 5: Solve for x
    x = 3,302,866,650.19/64,171.87
  6. Step 6: Final answer
    x = 51,469.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.