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Finding the Fourth Proportional to 227,772.80, 341,659.20 and 80,028.80

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Solution

The fourth proportional to 227,772.80, 341,659.20 and 80,028.80 is: 120,043.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,772.80 : 341,659.20 = 80,028.80 : x
  2. Step 2: Convert to fraction form
    227,772.80/341,659.20 = 80,028.80/x
  3. Step 3: Cross multiply
    227,772.80x = 341,659.20 × 80,028.80
  4. Step 4: Simplify right side
    227,772.80x = 27,342,575,784.96
  5. Step 5: Solve for x
    x = 27,342,575,784.96/227,772.80
  6. Step 6: Final answer
    x = 120,043.20

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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.