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Finding the Fourth Proportional to 203,533.64, 280,692.57 and 127,059.81

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Solution

The fourth proportional to 203,533.64, 280,692.57 and 127,059.81 is: 175,227.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,533.64 : 280,692.57 = 127,059.81 : x
  2. Step 2: Convert to fraction form
    203,533.64/280,692.57 = 127,059.81/x
  3. Step 3: Cross multiply
    203,533.64x = 280,692.57 × 127,059.81
  4. Step 4: Simplify right side
    203,533.64x = 35,664,744,036.49
  5. Step 5: Solve for x
    x = 35,664,744,036.49/203,533.64
  6. Step 6: Final answer
    x = 175,227.76

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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.