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Finding the Fourth Proportional to 154,559.54, 231,855.02 and 53,344.42

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Solution

The fourth proportional to 154,559.54, 231,855.02 and 53,344.42 is: 80,022.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,559.54 : 231,855.02 = 53,344.42 : x
  2. Step 2: Convert to fraction form
    154,559.54/231,855.02 = 53,344.42/x
  3. Step 3: Cross multiply
    154,559.54x = 231,855.02 × 53,344.42
  4. Step 4: Simplify right side
    154,559.54x = 12,368,171,565.99
  5. Step 5: Solve for x
    x = 12,368,171,565.99/154,559.54
  6. Step 6: Final answer
    x = 80,022.05

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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.