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Finding the Fourth Proportional to 203,954.22, 281,502 and 113,341.41

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Solution

The fourth proportional to 203,954.22, 281,502 and 113,341.41 is: 156,436.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,954.22 : 281,502 = 113,341.41 : x
  2. Step 2: Convert to fraction form
    203,954.22/281,502 = 113,341.41/x
  3. Step 3: Cross multiply
    203,954.22x = 281,502 × 113,341.41
  4. Step 4: Simplify right side
    203,954.22x = 31,905,833,597.82
  5. Step 5: Solve for x
    x = 31,905,833,597.82/203,954.22
  6. Step 6: Final answer
    x = 156,436.25

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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.