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Finding the Fourth Proportional to 201,080.80, 301,851.60 and 118,021.60

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Solution

The fourth proportional to 201,080.80, 301,851.60 and 118,021.60 is: 177,167.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,080.80 : 301,851.60 = 118,021.60 : x
  2. Step 2: Convert to fraction form
    201,080.80/301,851.60 = 118,021.60/x
  3. Step 3: Cross multiply
    201,080.80x = 301,851.60 × 118,021.60
  4. Step 4: Simplify right side
    201,080.80x = 35,625,008,794.56
  5. Step 5: Solve for x
    x = 35,625,008,794.56/201,080.80
  6. Step 6: Final answer
    x = 177,167.63

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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.