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Finding the Fourth Proportional to 151,445.80, 227,136.30 and 67,205.80

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Solution

The fourth proportional to 151,445.80, 227,136.30 and 67,205.80 is: 100,794.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,445.80 : 227,136.30 = 67,205.80 : x
  2. Step 2: Convert to fraction form
    151,445.80/227,136.30 = 67,205.80/x
  3. Step 3: Cross multiply
    151,445.80x = 227,136.30 × 67,205.80
  4. Step 4: Simplify right side
    151,445.80x = 15,264,876,750.54
  5. Step 5: Solve for x
    x = 15,264,876,750.54/151,445.80
  6. Step 6: Final answer
    x = 100,794.32

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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.