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Finding the Fourth Proportional to 165,662.10, 248,687.55 and 164,495.70

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Solution

The fourth proportional to 165,662.10, 248,687.55 and 164,495.70 is: 246,936.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,662.10 : 248,687.55 = 164,495.70 : x
  2. Step 2: Convert to fraction form
    165,662.10/248,687.55 = 164,495.70/x
  3. Step 3: Cross multiply
    165,662.10x = 248,687.55 × 164,495.70
  4. Step 4: Simplify right side
    165,662.10x = 40,908,032,618.54
  5. Step 5: Solve for x
    x = 40,908,032,618.54/165,662.10
  6. Step 6: Final answer
    x = 246,936.58

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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.