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Finding the Fourth Proportional to 203,195.00, 280,396.73 and 112,545.59

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Solution

The fourth proportional to 203,195.00, 280,396.73 and 112,545.59 is: 155,306.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,195.00 : 280,396.73 = 112,545.59 : x
  2. Step 2: Convert to fraction form
    203,195.00/280,396.73 = 112,545.59/x
  3. Step 3: Cross multiply
    203,195.00x = 280,396.73 × 112,545.59
  4. Step 4: Simplify right side
    203,195.00x = 31,557,413,447.21
  5. Step 5: Solve for x
    x = 31,557,413,447.21/203,195.00
  6. Step 6: Final answer
    x = 155,306.06

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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.