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Finding the Fourth Proportional to 154,229.56, 231,344.01 and 41,926.09

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Solution

The fourth proportional to 154,229.56, 231,344.01 and 41,926.09 is: 62,889.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,229.56 : 231,344.01 = 41,926.09 : x
  2. Step 2: Convert to fraction form
    154,229.56/231,344.01 = 41,926.09/x
  3. Step 3: Cross multiply
    154,229.56x = 231,344.01 × 41,926.09
  4. Step 4: Simplify right side
    154,229.56x = 9,699,349,784.22
  5. Step 5: Solve for x
    x = 9,699,349,784.22/154,229.56
  6. Step 6: Final answer
    x = 62,889.05

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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.