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Finding the Fourth Proportional to 200,202.88, 276,279.98 and 109,558.84

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Solution

The fourth proportional to 200,202.88, 276,279.98 and 109,558.84 is: 151,191.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,202.88 : 276,279.98 = 109,558.84 : x
  2. Step 2: Convert to fraction form
    200,202.88/276,279.98 = 109,558.84/x
  3. Step 3: Cross multiply
    200,202.88x = 276,279.98 × 109,558.84
  4. Step 4: Simplify right side
    200,202.88x = 30,268,914,124.02
  5. Step 5: Solve for x
    x = 30,268,914,124.02/200,202.88
  6. Step 6: Final answer
    x = 151,191.20

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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.