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Finding the Fourth Proportional to 73,151.90, 109,716.60 and 23,225.48

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Solution

The fourth proportional to 73,151.90, 109,716.60 and 23,225.48 is: 34,834.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,151.90 : 109,716.60 = 23,225.48 : x
  2. Step 2: Convert to fraction form
    73,151.90/109,716.60 = 23,225.48/x
  3. Step 3: Cross multiply
    73,151.90x = 109,716.60 × 23,225.48
  4. Step 4: Simplify right side
    73,151.90x = 2,548,220,698.97
  5. Step 5: Solve for x
    x = 2,548,220,698.97/73,151.90
  6. Step 6: Final answer
    x = 34,834.65

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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.