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Finding the Fourth Proportional to 275,194.83, 379,615.10 and 173,182.22

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Solution

The fourth proportional to 275,194.83, 379,615.10 and 173,182.22 is: 238,894.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,194.83 : 379,615.10 = 173,182.22 : x
  2. Step 2: Convert to fraction form
    275,194.83/379,615.10 = 173,182.22/x
  3. Step 3: Cross multiply
    275,194.83x = 379,615.10 × 173,182.22
  4. Step 4: Simplify right side
    275,194.83x = 65,742,582,999.54
  5. Step 5: Solve for x
    x = 65,742,582,999.54/275,194.83
  6. Step 6: Final answer
    x = 238,894.69

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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.