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Finding the Fourth Proportional to 164,230.43, 246,269.07 and 85,323.47

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Solution

The fourth proportional to 164,230.43, 246,269.07 and 85,323.47 is: 127,945.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,230.43 : 246,269.07 = 85,323.47 : x
  2. Step 2: Convert to fraction form
    164,230.43/246,269.07 = 85,323.47/x
  3. Step 3: Cross multiply
    164,230.43x = 246,269.07 × 85,323.47
  4. Step 4: Simplify right side
    164,230.43x = 21,012,531,606.07
  5. Step 5: Solve for x
    x = 21,012,531,606.07/164,230.43
  6. Step 6: Final answer
    x = 127,945.42

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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.