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Finding the Fourth Proportional to 76,466.64, 114,014.22 and 73,540.92

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Solution

The fourth proportional to 76,466.64, 114,014.22 and 73,540.92 is: 109,651.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,466.64 : 114,014.22 = 73,540.92 : x
  2. Step 2: Convert to fraction form
    76,466.64/114,014.22 = 73,540.92/x
  3. Step 3: Cross multiply
    76,466.64x = 114,014.22 × 73,540.92
  4. Step 4: Simplify right side
    76,466.64x = 8,384,710,631.88
  5. Step 5: Solve for x
    x = 8,384,710,631.88/76,466.64
  6. Step 6: Final answer
    x = 109,651.88

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.