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Finding the Fourth Proportional to 201,255.20, 301,882.80 and 122,523.20

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Solution

The fourth proportional to 201,255.20, 301,882.80 and 122,523.20 is: 183,784.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,255.20 : 301,882.80 = 122,523.20 : x
  2. Step 2: Convert to fraction form
    201,255.20/301,882.80 = 122,523.20/x
  3. Step 3: Cross multiply
    201,255.20x = 301,882.80 × 122,523.20
  4. Step 4: Simplify right side
    201,255.20x = 36,987,646,680.96
  5. Step 5: Solve for x
    x = 36,987,646,680.96/201,255.20
  6. Step 6: Final answer
    x = 183,784.80

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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.