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Finding the Fourth Proportional to 201,062.66, 301,579.60 and 116,770.21

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Solution

The fourth proportional to 201,062.66, 301,579.60 and 116,770.21 is: 175,146.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,062.66 : 301,579.60 = 116,770.21 : x
  2. Step 2: Convert to fraction form
    201,062.66/301,579.60 = 116,770.21/x
  3. Step 3: Cross multiply
    201,062.66x = 301,579.60 × 116,770.21
  4. Step 4: Simplify right side
    201,062.66x = 35,215,511,131.97
  5. Step 5: Solve for x
    x = 35,215,511,131.97/201,062.66
  6. Step 6: Final answer
    x = 175,146.95

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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.