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Finding the Fourth Proportional to 188,344.44, 259,915.50 and 103,466.97

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Solution

The fourth proportional to 188,344.44, 259,915.50 and 103,466.97 is: 142,784.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,344.44 : 259,915.50 = 103,466.97 : x
  2. Step 2: Convert to fraction form
    188,344.44/259,915.50 = 103,466.97/x
  3. Step 3: Cross multiply
    188,344.44x = 259,915.50 × 103,466.97
  4. Step 4: Simplify right side
    188,344.44x = 26,892,669,241.04
  5. Step 5: Solve for x
    x = 26,892,669,241.04/188,344.44
  6. Step 6: Final answer
    x = 142,784.51

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1.5x scale

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.