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Finding the Fourth Proportional to 73,319.52, 109,977.92 and 23,399.22

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Solution

The fourth proportional to 73,319.52, 109,977.92 and 23,399.22 is: 35,098.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,319.52 : 109,977.92 = 23,399.22 : x
  2. Step 2: Convert to fraction form
    73,319.52/109,977.92 = 23,399.22/x
  3. Step 3: Cross multiply
    73,319.52x = 109,977.92 × 23,399.22
  4. Step 4: Simplify right side
    73,319.52x = 2,573,397,545.22
  5. Step 5: Solve for x
    x = 2,573,397,545.22/73,319.52
  6. Step 6: Final answer
    x = 35,098.40

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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.