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Finding the Fourth Proportional to 229,718.70, 344,578.05 and 166,241.03

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Solution

The fourth proportional to 229,718.70, 344,578.05 and 166,241.03 is: 249,361.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,718.70 : 344,578.05 = 166,241.03 : x
  2. Step 2: Convert to fraction form
    229,718.70/344,578.05 = 166,241.03/x
  3. Step 3: Cross multiply
    229,718.70x = 344,578.05 × 166,241.03
  4. Step 4: Simplify right side
    229,718.70x = 57,283,008,224.50
  5. Step 5: Solve for x
    x = 57,283,008,224.50/229,718.70
  6. Step 6: Final answer
    x = 249,361.54

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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.