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Finding the Fourth Proportional to 154,415.97, 231,621.53 and 49,234.23

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Solution

The fourth proportional to 154,415.97, 231,621.53 and 49,234.23 is: 73,850.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,415.97 : 231,621.53 = 49,234.23 : x
  2. Step 2: Convert to fraction form
    154,415.97/231,621.53 = 49,234.23/x
  3. Step 3: Cross multiply
    154,415.97x = 231,621.53 × 49,234.23
  4. Step 4: Simplify right side
    154,415.97x = 11,403,707,434.80
  5. Step 5: Solve for x
    x = 11,403,707,434.80/154,415.97
  6. Step 6: Final answer
    x = 73,850.57

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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.