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Finding the Fourth Proportional to 198,892.92, 274,361.58 and 151,070.52

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Solution

The fourth proportional to 198,892.92, 274,361.58 and 151,070.52 is: 208,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,892.92 : 274,361.58 = 151,070.52 : x
  2. Step 2: Convert to fraction form
    198,892.92/274,361.58 = 151,070.52/x
  3. Step 3: Cross multiply
    198,892.92x = 274,361.58 × 151,070.52
  4. Step 4: Simplify right side
    198,892.92x = 41,447,946,558.62
  5. Step 5: Solve for x
    x = 41,447,946,558.62/198,892.92
  6. Step 6: Final answer
    x = 208,393.27

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Why These Related Problems?

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