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Finding the Fourth Proportional to 274,656, 379,004.52 and 167,214.12

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Solution

The fourth proportional to 274,656, 379,004.52 and 167,214.12 is: 230,742.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,656 : 379,004.52 = 167,214.12 : x
  2. Step 2: Convert to fraction form
    274,656/379,004.52 = 167,214.12/x
  3. Step 3: Cross multiply
    274,656x = 379,004.52 × 167,214.12
  4. Step 4: Simplify right side
    274,656x = 63,374,907,287.82
  5. Step 5: Solve for x
    x = 63,374,907,287.82/274,656
  6. Step 6: Final answer
    x = 230,742.85

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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.