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Finding the Fourth Proportional to 206,407.88, 284,845.23 and 114,528.84

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Solution

The fourth proportional to 206,407.88, 284,845.23 and 114,528.84 is: 158,051.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,407.88 : 284,845.23 = 114,528.84 : x
  2. Step 2: Convert to fraction form
    206,407.88/284,845.23 = 114,528.84/x
  3. Step 3: Cross multiply
    206,407.88x = 284,845.23 × 114,528.84
  4. Step 4: Simplify right side
    206,407.88x = 32,622,993,771.43
  5. Step 5: Solve for x
    x = 32,622,993,771.43/206,407.88
  6. Step 6: Final answer
    x = 158,051.11

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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.