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Finding the Fourth Proportional to 148,361.92, 204,766.40 and 94,663.68

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Solution

The fourth proportional to 148,361.92, 204,766.40 and 94,663.68 is: 130,653.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,361.92 : 204,766.40 = 94,663.68 : x
  2. Step 2: Convert to fraction form
    148,361.92/204,766.40 = 94,663.68/x
  3. Step 3: Cross multiply
    148,361.92x = 204,766.40 × 94,663.68
  4. Step 4: Simplify right side
    148,361.92x = 19,383,940,964.35
  5. Step 5: Solve for x
    x = 19,383,940,964.35/148,361.92
  6. Step 6: Final answer
    x = 130,653.07

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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.