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Finding the Fourth Proportional to 151,425.60, 227,138.40 and 39,105.60

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Solution

The fourth proportional to 151,425.60, 227,138.40 and 39,105.60 is: 58,658.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,425.60 : 227,138.40 = 39,105.60 : x
  2. Step 2: Convert to fraction form
    151,425.60/227,138.40 = 39,105.60/x
  3. Step 3: Cross multiply
    151,425.60x = 227,138.40 × 39,105.60
  4. Step 4: Simplify right side
    151,425.60x = 8,882,383,415.04
  5. Step 5: Solve for x
    x = 8,882,383,415.04/151,425.60
  6. Step 6: Final answer
    x = 58,658.40

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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.