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Finding the Fourth Proportional to 265,104, 365,843.52 and 145,872

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Solution

The fourth proportional to 265,104, 365,843.52 and 145,872 is: 201,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,104 : 365,843.52 = 145,872 : x
  2. Step 2: Convert to fraction form
    265,104/365,843.52 = 145,872/x
  3. Step 3: Cross multiply
    265,104x = 365,843.52 × 145,872
  4. Step 4: Simplify right side
    265,104x = 53,366,325,949.44
  5. Step 5: Solve for x
    x = 53,366,325,949.44/265,104
  6. Step 6: Final answer
    x = 201,303.36

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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.