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Finding the Fourth Proportional to 165,393.33, 248,172.05 and 65,551.31

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Solution

The fourth proportional to 165,393.33, 248,172.05 and 65,551.31 is: 98,359.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,393.33 : 248,172.05 = 65,551.31 : x
  2. Step 2: Convert to fraction form
    165,393.33/248,172.05 = 65,551.31/x
  3. Step 3: Cross multiply
    165,393.33x = 248,172.05 × 65,551.31
  4. Step 4: Simplify right side
    165,393.33x = 16,268,002,836.55
  5. Step 5: Solve for x
    x = 16,268,002,836.55/165,393.33
  6. Step 6: Final answer
    x = 98,359.49

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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.