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Finding the Fourth Proportional to 201,286.80, 302,059.80 and 117,046.80

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Solution

The fourth proportional to 201,286.80, 302,059.80 and 117,046.80 is: 175,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,286.80 : 302,059.80 = 117,046.80 : x
  2. Step 2: Convert to fraction form
    201,286.80/302,059.80 = 117,046.80/x
  3. Step 3: Cross multiply
    201,286.80x = 302,059.80 × 117,046.80
  4. Step 4: Simplify right side
    201,286.80x = 35,355,132,998.64
  5. Step 5: Solve for x
    x = 35,355,132,998.64/201,286.80
  6. Step 6: Final answer
    x = 175,645.56

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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.