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Finding the Fourth Proportional to 469,022.73, 703,361.66 and 161,187.29

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Solution

The fourth proportional to 469,022.73, 703,361.66 and 161,187.29 is: 241,721.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,022.73 : 703,361.66 = 161,187.29 : x
  2. Step 2: Convert to fraction form
    469,022.73/703,361.66 = 161,187.29/x
  3. Step 3: Cross multiply
    469,022.73x = 703,361.66 × 161,187.29
  4. Step 4: Simplify right side
    469,022.73x = 113,372,958,180.16
  5. Step 5: Solve for x
    x = 113,372,958,180.16/469,022.73
  6. Step 6: Final answer
    x = 241,721.67

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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.