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Finding the Fourth Proportional to 308,237.49, 462,393.60 and 108,517.01

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Solution

The fourth proportional to 308,237.49, 462,393.60 and 108,517.01 is: 162,788.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,237.49 : 462,393.60 = 108,517.01 : x
  2. Step 2: Convert to fraction form
    308,237.49/462,393.60 = 108,517.01/x
  3. Step 3: Cross multiply
    308,237.49x = 462,393.60 × 108,517.01
  4. Step 4: Simplify right side
    308,237.49x = 50,177,568,603.17
  5. Step 5: Solve for x
    x = 50,177,568,603.17/308,237.49
  6. Step 6: Final answer
    x = 162,788.66

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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.