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Finding the Fourth Proportional to 73,435.36, 110,154.12 and 20,844.94

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Solution

The fourth proportional to 73,435.36, 110,154.12 and 20,844.94 is: 31,267.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,435.36 : 110,154.12 = 20,844.94 : x
  2. Step 2: Convert to fraction form
    73,435.36/110,154.12 = 20,844.94/x
  3. Step 3: Cross multiply
    73,435.36x = 110,154.12 × 20,844.94
  4. Step 4: Simplify right side
    73,435.36x = 2,296,156,022.15
  5. Step 5: Solve for x
    x = 2,296,156,022.15/73,435.36
  6. Step 6: Final answer
    x = 31,267.72

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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.