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Finding the Fourth Proportional to 203,658.12, 305,526.87 and 61,514.82

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Solution

The fourth proportional to 203,658.12, 305,526.87 and 61,514.82 is: 92,284.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,658.12 : 305,526.87 = 61,514.82 : x
  2. Step 2: Convert to fraction form
    203,658.12/305,526.87 = 61,514.82/x
  3. Step 3: Cross multiply
    203,658.12x = 305,526.87 × 61,514.82
  4. Step 4: Simplify right side
    203,658.12x = 18,794,430,413.21
  5. Step 5: Solve for x
    x = 18,794,430,413.21/203,658.12
  6. Step 6: Final answer
    x = 92,284.22

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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.