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Finding the Fourth Proportional to 229,194.44, 343,791.60 and 71,435.60

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Solution

The fourth proportional to 229,194.44, 343,791.60 and 71,435.60 is: 107,153.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,194.44 : 343,791.60 = 71,435.60 : x
  2. Step 2: Convert to fraction form
    229,194.44/343,791.60 = 71,435.60/x
  3. Step 3: Cross multiply
    229,194.44x = 343,791.60 × 71,435.60
  4. Step 4: Simplify right side
    229,194.44x = 24,558,959,220.96
  5. Step 5: Solve for x
    x = 24,558,959,220.96/229,194.44
  6. Step 6: Final answer
    x = 107,153.38

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1.5x scale

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.