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Finding the Fourth Proportional to 73,141.91, 109,716.66 and 23,225.92

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Solution

The fourth proportional to 73,141.91, 109,716.66 and 23,225.92 is: 34,840.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,141.91 : 109,716.66 = 23,225.92 : x
  2. Step 2: Convert to fraction form
    73,141.91/109,716.66 = 23,225.92/x
  3. Step 3: Cross multiply
    73,141.91x = 109,716.66 × 23,225.92
  4. Step 4: Simplify right side
    73,141.91x = 2,548,270,367.83
  5. Step 5: Solve for x
    x = 2,548,270,367.83/73,141.91
  6. Step 6: Final answer
    x = 34,840.09

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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.