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Finding the Fourth Proportional to 206,699.00, 285,227.16 and 125,057.67

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Solution

The fourth proportional to 206,699.00, 285,227.16 and 125,057.67 is: 172,569.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,699.00 : 285,227.16 = 125,057.67 : x
  2. Step 2: Convert to fraction form
    206,699.00/285,227.16 = 125,057.67/x
  3. Step 3: Cross multiply
    206,699.00x = 285,227.16 × 125,057.67
  4. Step 4: Simplify right side
    206,699.00x = 35,669,844,050.32
  5. Step 5: Solve for x
    x = 35,669,844,050.32/206,699.00
  6. Step 6: Final answer
    x = 172,569.03

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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.