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Finding the Fourth Proportional to 203,958.36, 281,440.86 and 117,903.71

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Solution

The fourth proportional to 203,958.36, 281,440.86 and 117,903.71 is: 162,694.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,958.36 : 281,440.86 = 117,903.71 : x
  2. Step 2: Convert to fraction form
    203,958.36/281,440.86 = 117,903.71/x
  3. Step 3: Cross multiply
    203,958.36x = 281,440.86 × 117,903.71
  4. Step 4: Simplify right side
    203,958.36x = 33,182,920,132.39
  5. Step 5: Solve for x
    x = 33,182,920,132.39/203,958.36
  6. Step 6: Final answer
    x = 162,694.58

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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.