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Finding the Fourth Proportional to 151,466.80, 227,200.20 and 51,739.60

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Solution

The fourth proportional to 151,466.80, 227,200.20 and 51,739.60 is: 77,609.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,466.80 : 227,200.20 = 51,739.60 : x
  2. Step 2: Convert to fraction form
    151,466.80/227,200.20 = 51,739.60/x
  3. Step 3: Cross multiply
    151,466.80x = 227,200.20 × 51,739.60
  4. Step 4: Simplify right side
    151,466.80x = 11,755,247,467.92
  5. Step 5: Solve for x
    x = 11,755,247,467.92/151,466.80
  6. Step 6: Final answer
    x = 77,609.40

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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.