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Finding the Fourth Proportional to 73,296.90, 109,943.33 and 23,379.98

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Solution

The fourth proportional to 73,296.90, 109,943.33 and 23,379.98 is: 35,069.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,296.90 : 109,943.33 = 23,379.98 : x
  2. Step 2: Convert to fraction form
    73,296.90/109,943.33 = 23,379.98/x
  3. Step 3: Cross multiply
    73,296.90x = 109,943.33 × 23,379.98
  4. Step 4: Simplify right side
    73,296.90x = 2,570,472,189.92
  5. Step 5: Solve for x
    x = 2,570,472,189.92/73,296.90
  6. Step 6: Final answer
    x = 35,069.32

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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.