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Finding the Fourth Proportional to 270,636.75, 373,484.16 and 149,774.94

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Solution

The fourth proportional to 270,636.75, 373,484.16 and 149,774.94 is: 206,692.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,636.75 : 373,484.16 = 149,774.94 : x
  2. Step 2: Convert to fraction form
    270,636.75/373,484.16 = 149,774.94/x
  3. Step 3: Cross multiply
    270,636.75x = 373,484.16 × 149,774.94
  4. Step 4: Simplify right side
    270,636.75x = 55,938,567,654.95
  5. Step 5: Solve for x
    x = 55,938,567,654.95/270,636.75
  6. Step 6: Final answer
    x = 206,692.43

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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.