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Finding the Fourth Proportional to 201,704.35, 302,556.53 and 91,112.35

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Solution

The fourth proportional to 201,704.35, 302,556.53 and 91,112.35 is: 136,668.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,704.35 : 302,556.53 = 91,112.35 : x
  2. Step 2: Convert to fraction form
    201,704.35/302,556.53 = 91,112.35/x
  3. Step 3: Cross multiply
    201,704.35x = 302,556.53 × 91,112.35
  4. Step 4: Simplify right side
    201,704.35x = 27,566,636,456.15
  5. Step 5: Solve for x
    x = 27,566,636,456.15/201,704.35
  6. Step 6: Final answer
    x = 136,668.53

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1.5x scale

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.