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Finding the Fourth Proportional to 229,109.20, 343,372.20 and 204,031.60

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Solution

The fourth proportional to 229,109.20, 343,372.20 and 204,031.60 is: 305,787.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,109.20 : 343,372.20 = 204,031.60 : x
  2. Step 2: Convert to fraction form
    229,109.20/343,372.20 = 204,031.60/x
  3. Step 3: Cross multiply
    229,109.20x = 343,372.20 × 204,031.60
  4. Step 4: Simplify right side
    229,109.20x = 70,058,779,361.52
  5. Step 5: Solve for x
    x = 70,058,779,361.52/229,109.20
  6. Step 6: Final answer
    x = 305,787.72

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.