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Finding the Fourth Proportional to 321,160.14, 481,961.34 and 110,798.28

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Solution

The fourth proportional to 321,160.14, 481,961.34 and 110,798.28 is: 166,273.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,160.14 : 481,961.34 = 110,798.28 : x
  2. Step 2: Convert to fraction form
    321,160.14/481,961.34 = 110,798.28/x
  3. Step 3: Cross multiply
    321,160.14x = 481,961.34 × 110,798.28
  4. Step 4: Simplify right side
    321,160.14x = 53,400,487,498.50
  5. Step 5: Solve for x
    x = 53,400,487,498.50/321,160.14
  6. Step 6: Final answer
    x = 166,273.71

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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.