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Finding the Fourth Proportional to 203,189.27, 304,798.50 and 70,067.60

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Solution

The fourth proportional to 203,189.27, 304,798.50 and 70,067.60 is: 105,106.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,189.27 : 304,798.50 = 70,067.60 : x
  2. Step 2: Convert to fraction form
    203,189.27/304,798.50 = 70,067.60/x
  3. Step 3: Cross multiply
    203,189.27x = 304,798.50 × 70,067.60
  4. Step 4: Simplify right side
    203,189.27x = 21,356,499,028.26
  5. Step 5: Solve for x
    x = 21,356,499,028.26/203,189.27
  6. Step 6: Final answer
    x = 105,106.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.