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Finding the Fourth Proportional to 173,234.40, 239,056.72 and 108,738.28

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Solution

The fourth proportional to 173,234.40, 239,056.72 and 108,738.28 is: 150,054.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,234.40 : 239,056.72 = 108,738.28 : x
  2. Step 2: Convert to fraction form
    173,234.40/239,056.72 = 108,738.28/x
  3. Step 3: Cross multiply
    173,234.40x = 239,056.72 × 108,738.28
  4. Step 4: Simplify right side
    173,234.40x = 25,994,616,582.22
  5. Step 5: Solve for x
    x = 25,994,616,582.22/173,234.40
  6. Step 6: Final answer
    x = 150,054.59

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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.