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Finding the Fourth Proportional to 207,633.39, 311,207.10 and 95,324.46

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Solution

The fourth proportional to 207,633.39, 311,207.10 and 95,324.46 is: 142,875.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,633.39 : 311,207.10 = 95,324.46 : x
  2. Step 2: Convert to fraction form
    207,633.39/311,207.10 = 95,324.46/x
  3. Step 3: Cross multiply
    207,633.39x = 311,207.10 × 95,324.46
  4. Step 4: Simplify right side
    207,633.39x = 29,665,648,755.67
  5. Step 5: Solve for x
    x = 29,665,648,755.67/207,633.39
  6. Step 6: Final answer
    x = 142,875.14

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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.