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Finding the Fourth Proportional to 468,995.70, 703,321.23 and 161,160.38

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Solution

The fourth proportional to 468,995.70, 703,321.23 and 161,160.38 is: 241,681.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,995.70 : 703,321.23 = 161,160.38 : x
  2. Step 2: Convert to fraction form
    468,995.70/703,321.23 = 161,160.38/x
  3. Step 3: Cross multiply
    468,995.70x = 703,321.23 × 161,160.38
  4. Step 4: Simplify right side
    468,995.70x = 113,347,515,883.07
  5. Step 5: Solve for x
    x = 113,347,515,883.07/468,995.70
  6. Step 6: Final answer
    x = 241,681.36

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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.