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Finding the Fourth Proportional to 173,480.91, 239,271.54 and 149,322.96

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Solution

The fourth proportional to 173,480.91, 239,271.54 and 149,322.96 is: 205,951.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,480.91 : 239,271.54 = 149,322.96 : x
  2. Step 2: Convert to fraction form
    173,480.91/239,271.54 = 149,322.96/x
  3. Step 3: Cross multiply
    173,480.91x = 239,271.54 × 149,322.96
  4. Step 4: Simplify right side
    173,480.91x = 35,728,734,596.56
  5. Step 5: Solve for x
    x = 35,728,734,596.56/173,480.91
  6. Step 6: Final answer
    x = 205,951.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.