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Finding the Fourth Proportional to 173,220.94, 259,838.64 and 54,889.66

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Solution

The fourth proportional to 173,220.94, 259,838.64 and 54,889.66 is: 82,336.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,220.94 : 259,838.64 = 54,889.66 : x
  2. Step 2: Convert to fraction form
    173,220.94/259,838.64 = 54,889.66/x
  3. Step 3: Cross multiply
    173,220.94x = 259,838.64 × 54,889.66
  4. Step 4: Simplify right side
    173,220.94x = 14,262,454,604.46
  5. Step 5: Solve for x
    x = 14,262,454,604.46/173,220.94
  6. Step 6: Final answer
    x = 82,336.78

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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.