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Finding the Fourth Proportional to 133,788.44, 200,288.99 and 89,304.86

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Solution

The fourth proportional to 133,788.44, 200,288.99 and 89,304.86 is: 133,694.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,788.44 : 200,288.99 = 89,304.86 : x
  2. Step 2: Convert to fraction form
    133,788.44/200,288.99 = 89,304.86/x
  3. Step 3: Cross multiply
    133,788.44x = 200,288.99 × 89,304.86
  4. Step 4: Simplify right side
    133,788.44x = 17,886,778,763.52
  5. Step 5: Solve for x
    x = 17,886,778,763.52/133,788.44
  6. Step 6: Final answer
    x = 133,694.51

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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.