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Finding the Fourth Proportional to 203,674.62, 281,071.13 and 113,030.64

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Solution

The fourth proportional to 203,674.62, 281,071.13 and 113,030.64 is: 155,982.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,674.62 : 281,071.13 = 113,030.64 : x
  2. Step 2: Convert to fraction form
    203,674.62/281,071.13 = 113,030.64/x
  3. Step 3: Cross multiply
    203,674.62x = 281,071.13 × 113,030.64
  4. Step 4: Simplify right side
    203,674.62x = 31,769,649,144.27
  5. Step 5: Solve for x
    x = 31,769,649,144.27/203,674.62
  6. Step 6: Final answer
    x = 155,982.37

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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.