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Finding the Fourth Proportional to 207,605.31, 311,166.01 and 95,297.38

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Solution

The fourth proportional to 207,605.31, 311,166.01 and 95,297.38 is: 142,835.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,605.31 : 311,166.01 = 95,297.38 : x
  2. Step 2: Convert to fraction form
    207,605.31/311,166.01 = 95,297.38/x
  3. Step 3: Cross multiply
    207,605.31x = 311,166.01 × 95,297.38
  4. Step 4: Simplify right side
    207,605.31x = 29,653,305,498.05
  5. Step 5: Solve for x
    x = 29,653,305,498.05/207,605.31
  6. Step 6: Final answer
    x = 142,835.01

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Why These Related Problems?

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