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Finding the Fourth Proportional to 203,067.95, 304,602.53 and 69,946.47

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Solution

The fourth proportional to 203,067.95, 304,602.53 and 69,946.47 is: 104,919.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,067.95 : 304,602.53 = 69,946.47 : x
  2. Step 2: Convert to fraction form
    203,067.95/304,602.53 = 69,946.47/x
  3. Step 3: Cross multiply
    203,067.95x = 304,602.53 × 69,946.47
  4. Step 4: Simplify right side
    203,067.95x = 21,305,871,376.84
  5. Step 5: Solve for x
    x = 21,305,871,376.84/203,067.95
  6. Step 6: Final answer
    x = 104,919.91

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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.