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Finding the Fourth Proportional to 200,003.56, 275,825.94 and 165,957.88

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Solution

The fourth proportional to 200,003.56, 275,825.94 and 165,957.88 is: 228,873.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,003.56 : 275,825.94 = 165,957.88 : x
  2. Step 2: Convert to fraction form
    200,003.56/275,825.94 = 165,957.88/x
  3. Step 3: Cross multiply
    200,003.56x = 275,825.94 × 165,957.88
  4. Step 4: Simplify right side
    200,003.56x = 45,775,488,251.41
  5. Step 5: Solve for x
    x = 45,775,488,251.41/200,003.56
  6. Step 6: Final answer
    x = 228,873.37

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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.