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Finding the Fourth Proportional to 165,068.45, 227,794.46 and 89,616.95

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Solution

The fourth proportional to 165,068.45, 227,794.46 and 89,616.95 is: 123,671.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,068.45 : 227,794.46 = 89,616.95 : x
  2. Step 2: Convert to fraction form
    165,068.45/227,794.46 = 89,616.95/x
  3. Step 3: Cross multiply
    165,068.45x = 227,794.46 × 89,616.95
  4. Step 4: Simplify right side
    165,068.45x = 20,414,243,145.04
  5. Step 5: Solve for x
    x = 20,414,243,145.04/165,068.45
  6. Step 6: Final answer
    x = 123,671.38

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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.