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Finding the Fourth Proportional to 203,364.89, 280,497.82 and 134,374.44

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Solution

The fourth proportional to 203,364.89, 280,497.82 and 134,374.44 is: 185,340.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,364.89 : 280,497.82 = 134,374.44 : x
  2. Step 2: Convert to fraction form
    203,364.89/280,497.82 = 134,374.44/x
  3. Step 3: Cross multiply
    203,364.89x = 280,497.82 × 134,374.44
  4. Step 4: Simplify right side
    203,364.89x = 37,691,738,451.60
  5. Step 5: Solve for x
    x = 37,691,738,451.60/203,364.89
  6. Step 6: Final answer
    x = 185,340.44

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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.