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Finding the Fourth Proportional to 203,855.58, 281,461.44 and 127,409.04

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Solution

The fourth proportional to 203,855.58, 281,461.44 and 127,409.04 is: 175,912.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,855.58 : 281,461.44 = 127,409.04 : x
  2. Step 2: Convert to fraction form
    203,855.58/281,461.44 = 127,409.04/x
  3. Step 3: Cross multiply
    203,855.58x = 281,461.44 × 127,409.04
  4. Step 4: Simplify right side
    203,855.58x = 35,860,731,867.42
  5. Step 5: Solve for x
    x = 35,860,731,867.42/203,855.58
  6. Step 6: Final answer
    x = 175,912.43

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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.