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Finding the Fourth Proportional to 216,768.02, 298,942.22 and 186,131.54

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Solution

The fourth proportional to 216,768.02, 298,942.22 and 186,131.54 is: 256,691.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,768.02 : 298,942.22 = 186,131.54 : x
  2. Step 2: Convert to fraction form
    216,768.02/298,942.22 = 186,131.54/x
  3. Step 3: Cross multiply
    216,768.02x = 298,942.22 × 186,131.54
  4. Step 4: Simplify right side
    216,768.02x = 55,642,573,354.25
  5. Step 5: Solve for x
    x = 55,642,573,354.25/216,768.02
  6. Step 6: Final answer
    x = 256,691.81

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.