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Finding the Fourth Proportional to 192,227.90, 288,633.45 and 147,904.70

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Solution

The fourth proportional to 192,227.90, 288,633.45 and 147,904.70 is: 222,081.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,227.90 : 288,633.45 = 147,904.70 : x
  2. Step 2: Convert to fraction form
    192,227.90/288,633.45 = 147,904.70/x
  3. Step 3: Cross multiply
    192,227.90x = 288,633.45 × 147,904.70
  4. Step 4: Simplify right side
    192,227.90x = 42,690,243,832.22
  5. Step 5: Solve for x
    x = 42,690,243,832.22/192,227.90
  6. Step 6: Final answer
    x = 222,081.41

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.