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Finding the Fourth Proportional to 201,794.75, 302,709.55 and 52,033.78

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Solution

The fourth proportional to 201,794.75, 302,709.55 and 52,033.78 is: 78,055.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,794.75 : 302,709.55 = 52,033.78 : x
  2. Step 2: Convert to fraction form
    201,794.75/302,709.55 = 52,033.78/x
  3. Step 3: Cross multiply
    201,794.75x = 302,709.55 × 52,033.78
  4. Step 4: Simplify right side
    201,794.75x = 15,751,122,128.60
  5. Step 5: Solve for x
    x = 15,751,122,128.60/201,794.75
  6. Step 6: Final answer
    x = 78,055.16

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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.