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Finding the Fourth Proportional to 173,099.98, 258,122.75 and 166,932.64

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Solution

The fourth proportional to 173,099.98, 258,122.75 and 166,932.64 is: 248,926.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,099.98 : 258,122.75 = 166,932.64 : x
  2. Step 2: Convert to fraction form
    173,099.98/258,122.75 = 166,932.64/x
  3. Step 3: Cross multiply
    173,099.98x = 258,122.75 × 166,932.64
  4. Step 4: Simplify right side
    173,099.98x = 43,089,112,101.56
  5. Step 5: Solve for x
    x = 43,089,112,101.56/173,099.98
  6. Step 6: Final answer
    x = 248,926.15

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.