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Finding the Fourth Proportional to 73,835.52, 110,754.08 and 18,431.52

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Solution

The fourth proportional to 73,835.52, 110,754.08 and 18,431.52 is: 27,647.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,835.52 : 110,754.08 = 18,431.52 : x
  2. Step 2: Convert to fraction form
    73,835.52/110,754.08 = 18,431.52/x
  3. Step 3: Cross multiply
    73,835.52x = 110,754.08 × 18,431.52
  4. Step 4: Simplify right side
    73,835.52x = 2,041,366,040.60
  5. Step 5: Solve for x
    x = 2,041,366,040.60/73,835.52
  6. Step 6: Final answer
    x = 27,647.48

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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.