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Finding the Fourth Proportional to 275,661.02, 380,453.35 and 168,293.29

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Solution

The fourth proportional to 275,661.02, 380,453.35 and 168,293.29 is: 232,269.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,661.02 : 380,453.35 = 168,293.29 : x
  2. Step 2: Convert to fraction form
    275,661.02/380,453.35 = 168,293.29/x
  3. Step 3: Cross multiply
    275,661.02x = 380,453.35 × 168,293.29
  4. Step 4: Simplify right side
    275,661.02x = 64,027,745,963.02
  5. Step 5: Solve for x
    x = 64,027,745,963.02/275,661.02
  6. Step 6: Final answer
    x = 232,269.86

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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.