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Finding the Fourth Proportional to 195,427.80, 274,221 and 195,427.80

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Solution

The fourth proportional to 195,427.80, 274,221 and 195,427.80 is: 274,221

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,427.80 : 274,221 = 195,427.80 : x
  2. Step 2: Convert to fraction form
    195,427.80/274,221 = 195,427.80/x
  3. Step 3: Cross multiply
    195,427.80x = 274,221 × 195,427.80
  4. Step 4: Simplify right side
    195,427.80x = 53,590,406,743.80
  5. Step 5: Solve for x
    x = 53,590,406,743.80/195,427.80
  6. Step 6: Final answer
    x = 274,221

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.