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Finding the Fourth Proportional to 227,308.98, 313,755.21 and 131,839.14

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Solution

The fourth proportional to 227,308.98, 313,755.21 and 131,839.14 is: 181,977.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,308.98 : 313,755.21 = 131,839.14 : x
  2. Step 2: Convert to fraction form
    227,308.98/313,755.21 = 131,839.14/x
  3. Step 3: Cross multiply
    227,308.98x = 313,755.21 × 131,839.14
  4. Step 4: Simplify right side
    227,308.98x = 41,365,217,056.92
  5. Step 5: Solve for x
    x = 41,365,217,056.92/227,308.98
  6. Step 6: Final answer
    x = 181,977.93

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1.5x scale

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.