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Finding the Fourth Proportional to 192,764.70, 288,803.40 and 164,396.94

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Solution

The fourth proportional to 192,764.70, 288,803.40 and 164,396.94 is: 246,302.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,764.70 : 288,803.40 = 164,396.94 : x
  2. Step 2: Convert to fraction form
    192,764.70/288,803.40 = 164,396.94/x
  3. Step 3: Cross multiply
    192,764.70x = 288,803.40 × 164,396.94
  4. Step 4: Simplify right side
    192,764.70x = 47,478,395,221.60
  5. Step 5: Solve for x
    x = 47,478,395,221.60/192,764.70
  6. Step 6: Final answer
    x = 246,302.33

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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.