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Finding the Fourth Proportional to 183,851.20, 275,239.20 and 137,310.40

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Solution

The fourth proportional to 183,851.20, 275,239.20 and 137,310.40 is: 205,564.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,851.20 : 275,239.20 = 137,310.40 : x
  2. Step 2: Convert to fraction form
    183,851.20/275,239.20 = 137,310.40/x
  3. Step 3: Cross multiply
    183,851.20x = 275,239.20 × 137,310.40
  4. Step 4: Simplify right side
    183,851.20x = 37,793,204,647.68
  5. Step 5: Solve for x
    x = 37,793,204,647.68/183,851.20
  6. Step 6: Final answer
    x = 205,564.09

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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.