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Finding the Fourth Proportional to 168,052, 231,916.62 and 92,605.36

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Solution

The fourth proportional to 168,052, 231,916.62 and 92,605.36 is: 127,798.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,052 : 231,916.62 = 92,605.36 : x
  2. Step 2: Convert to fraction form
    168,052/231,916.62 = 92,605.36/x
  3. Step 3: Cross multiply
    168,052x = 231,916.62 × 92,605.36
  4. Step 4: Simplify right side
    168,052x = 21,476,722,085.08
  5. Step 5: Solve for x
    x = 21,476,722,085.08/168,052
  6. Step 6: Final answer
    x = 127,798.07

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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.