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Finding the Fourth Proportional to 159,811.05, 239,745.78 and 124,060.89

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Solution

The fourth proportional to 159,811.05, 239,745.78 and 124,060.89 is: 186,114.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,811.05 : 239,745.78 = 124,060.89 : x
  2. Step 2: Convert to fraction form
    159,811.05/239,745.78 = 124,060.89/x
  3. Step 3: Cross multiply
    159,811.05x = 239,745.78 × 124,060.89
  4. Step 4: Simplify right side
    159,811.05x = 29,743,074,840.54
  5. Step 5: Solve for x
    x = 29,743,074,840.54/159,811.05
  6. Step 6: Final answer
    x = 186,114.01

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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.