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Finding the Fourth Proportional to 189,660.88, 284,669.88 and 96,233.68

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Solution

The fourth proportional to 189,660.88, 284,669.88 and 96,233.68 is: 144,441.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,660.88 : 284,669.88 = 96,233.68 : x
  2. Step 2: Convert to fraction form
    189,660.88/284,669.88 = 96,233.68/x
  3. Step 3: Cross multiply
    189,660.88x = 284,669.88 × 96,233.68
  4. Step 4: Simplify right side
    189,660.88x = 27,394,830,137.56
  5. Step 5: Solve for x
    x = 27,394,830,137.56/189,660.88
  6. Step 6: Final answer
    x = 144,441.12

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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.