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Finding the Fourth Proportional to 73,422.53, 110,137.98 and 20,827.88

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Solution

The fourth proportional to 73,422.53, 110,137.98 and 20,827.88 is: 31,243.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,422.53 : 110,137.98 = 20,827.88 : x
  2. Step 2: Convert to fraction form
    73,422.53/110,137.98 = 20,827.88/x
  3. Step 3: Cross multiply
    73,422.53x = 110,137.98 × 20,827.88
  4. Step 4: Simplify right side
    73,422.53x = 2,293,940,080.19
  5. Step 5: Solve for x
    x = 2,293,940,080.19/73,422.53
  6. Step 6: Final answer
    x = 31,243.00

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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.