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Finding the Fourth Proportional to 293,481.98, 440,152.16 and 122,611.39

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Solution

The fourth proportional to 293,481.98, 440,152.16 and 122,611.39 is: 183,887.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,481.98 : 440,152.16 = 122,611.39 : x
  2. Step 2: Convert to fraction form
    293,481.98/440,152.16 = 122,611.39/x
  3. Step 3: Cross multiply
    293,481.98x = 440,152.16 × 122,611.39
  4. Step 4: Simplify right side
    293,481.98x = 53,967,666,435.67
  5. Step 5: Solve for x
    x = 53,967,666,435.67/293,481.98
  6. Step 6: Final answer
    x = 183,887.50

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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.