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Finding the Fourth Proportional to 173,722.50, 239,737.08 and 94,234.50

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Solution

The fourth proportional to 173,722.50, 239,737.08 and 94,234.50 is: 130,043.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,722.50 : 239,737.08 = 94,234.50 : x
  2. Step 2: Convert to fraction form
    173,722.50/239,737.08 = 94,234.50/x
  3. Step 3: Cross multiply
    173,722.50x = 239,737.08 × 94,234.50
  4. Step 4: Simplify right side
    173,722.50x = 22,591,503,865.26
  5. Step 5: Solve for x
    x = 22,591,503,865.26/173,722.50
  6. Step 6: Final answer
    x = 130,043.63

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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.