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Finding the Fourth Proportional to 150,843.40, 226,348.20 and 91,720.58

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Solution

The fourth proportional to 150,843.40, 226,348.20 and 91,720.58 is: 137,631.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,843.40 : 226,348.20 = 91,720.58 : x
  2. Step 2: Convert to fraction form
    150,843.40/226,348.20 = 91,720.58/x
  3. Step 3: Cross multiply
    150,843.40x = 226,348.20 × 91,720.58
  4. Step 4: Simplify right side
    150,843.40x = 20,760,788,185.96
  5. Step 5: Solve for x
    x = 20,760,788,185.96/150,843.40
  6. Step 6: Final answer
    x = 137,631.40

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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.