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Finding the Fourth Proportional to 200,080.43, 276,119.84 and 115,224.83

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Solution

The fourth proportional to 200,080.43, 276,119.84 and 115,224.83 is: 159,015.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,080.43 : 276,119.84 = 115,224.83 : x
  2. Step 2: Convert to fraction form
    200,080.43/276,119.84 = 115,224.83/x
  3. Step 3: Cross multiply
    200,080.43x = 276,119.84 × 115,224.83
  4. Step 4: Simplify right side
    200,080.43x = 31,815,860,918.40
  5. Step 5: Solve for x
    x = 31,815,860,918.40/200,080.43
  6. Step 6: Final answer
    x = 159,015.36

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1.5x scale

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.