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Finding the Fourth Proportional to 203,596.03, 305,394.05 and 63,354.66

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Solution

The fourth proportional to 203,596.03, 305,394.05 and 63,354.66 is: 95,031.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,596.03 : 305,394.05 = 63,354.66 : x
  2. Step 2: Convert to fraction form
    203,596.03/305,394.05 = 63,354.66/x
  3. Step 3: Cross multiply
    203,596.03x = 305,394.05 × 63,354.66
  4. Step 4: Simplify right side
    203,596.03x = 19,348,134,860.56
  5. Step 5: Solve for x
    x = 19,348,134,860.56/203,596.03
  6. Step 6: Final answer
    x = 95,031.98

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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.