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Finding the Fourth Proportional to 300,164.10, 450,313.31 and 158,076.26

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Solution

The fourth proportional to 300,164.10, 450,313.31 and 158,076.26 is: 237,149.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,164.10 : 450,313.31 = 158,076.26 : x
  2. Step 2: Convert to fraction form
    300,164.10/450,313.31 = 158,076.26/x
  3. Step 3: Cross multiply
    300,164.10x = 450,313.31 × 158,076.26
  4. Step 4: Simplify right side
    300,164.10x = 71,183,845,393.99
  5. Step 5: Solve for x
    x = 71,183,845,393.99/300,164.10
  6. Step 6: Final answer
    x = 237,149.76

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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.