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Finding the Fourth Proportional to 73,589.52, 110,400.74 and 26,842.40

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Solution

The fourth proportional to 73,589.52, 110,400.74 and 26,842.40 is: 40,269.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,589.52 : 110,400.74 = 26,842.40 : x
  2. Step 2: Convert to fraction form
    73,589.52/110,400.74 = 26,842.40/x
  3. Step 3: Cross multiply
    73,589.52x = 110,400.74 × 26,842.40
  4. Step 4: Simplify right side
    73,589.52x = 2,963,420,137.16
  5. Step 5: Solve for x
    x = 2,963,420,137.16/73,589.52
  6. Step 6: Final answer
    x = 40,269.59

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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.