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Finding the Fourth Proportional to 308,791.16, 463,103.41 and 109,085.25

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Solution

The fourth proportional to 308,791.16, 463,103.41 and 109,085.25 is: 163,598.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,791.16 : 463,103.41 = 109,085.25 : x
  2. Step 2: Convert to fraction form
    308,791.16/463,103.41 = 109,085.25/x
  3. Step 3: Cross multiply
    308,791.16x = 463,103.41 × 109,085.25
  4. Step 4: Simplify right side
    308,791.16x = 50,517,751,255.70
  5. Step 5: Solve for x
    x = 50,517,751,255.70/308,791.16
  6. Step 6: Final answer
    x = 163,598.44

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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.