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Finding the Fourth Proportional to 239,898.76, 359,093.60 and 164,578.48

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Solution

The fourth proportional to 239,898.76, 359,093.60 and 164,578.48 is: 246,350.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,898.76 : 359,093.60 = 164,578.48 : x
  2. Step 2: Convert to fraction form
    239,898.76/359,093.60 = 164,578.48/x
  3. Step 3: Cross multiply
    239,898.76x = 359,093.60 × 164,578.48
  4. Step 4: Simplify right side
    239,898.76x = 59,099,078,865.73
  5. Step 5: Solve for x
    x = 59,099,078,865.73/239,898.76
  6. Step 6: Final answer
    x = 246,350.08

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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.