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Finding the Fourth Proportional to 203,545.90, 305,269.07 and 159,062.32

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Solution

The fourth proportional to 203,545.90, 305,269.07 and 159,062.32 is: 238,554.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,545.90 : 305,269.07 = 159,062.32 : x
  2. Step 2: Convert to fraction form
    203,545.90/305,269.07 = 159,062.32/x
  3. Step 3: Cross multiply
    203,545.90x = 305,269.07 × 159,062.32
  4. Step 4: Simplify right side
    203,545.90x = 48,556,806,498.44
  5. Step 5: Solve for x
    x = 48,556,806,498.44/203,545.90
  6. Step 6: Final answer
    x = 238,554.58

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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.