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Finding the Fourth Proportional to 275,062.11, 379,710.06 and 173,237.22

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Solution

The fourth proportional to 275,062.11, 379,710.06 and 173,237.22 is: 239,145.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,062.11 : 379,710.06 = 173,237.22 : x
  2. Step 2: Convert to fraction form
    275,062.11/379,710.06 = 173,237.22/x
  3. Step 3: Cross multiply
    275,062.11x = 379,710.06 × 173,237.22
  4. Step 4: Simplify right side
    275,062.11x = 65,779,915,200.43
  5. Step 5: Solve for x
    x = 65,779,915,200.43/275,062.11
  6. Step 6: Final answer
    x = 239,145.68

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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.