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Finding the Fourth Proportional to 149,697.48, 206,583.30 and 82,629.48

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Solution

The fourth proportional to 149,697.48, 206,583.30 and 82,629.48 is: 114,029.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,697.48 : 206,583.30 = 82,629.48 : x
  2. Step 2: Convert to fraction form
    149,697.48/206,583.30 = 82,629.48/x
  3. Step 3: Cross multiply
    149,697.48x = 206,583.30 × 82,629.48
  4. Step 4: Simplify right side
    149,697.48x = 17,069,870,655.68
  5. Step 5: Solve for x
    x = 17,069,870,655.68/149,697.48
  6. Step 6: Final answer
    x = 114,029.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.