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Finding the Fourth Proportional to 227,219.88, 313,616.82 and 141,243.72

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Solution

The fourth proportional to 227,219.88, 313,616.82 and 141,243.72 is: 194,949.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,219.88 : 313,616.82 = 141,243.72 : x
  2. Step 2: Convert to fraction form
    227,219.88/313,616.82 = 141,243.72/x
  3. Step 3: Cross multiply
    227,219.88x = 313,616.82 × 141,243.72
  4. Step 4: Simplify right side
    227,219.88x = 44,296,406,311.37
  5. Step 5: Solve for x
    x = 44,296,406,311.37/227,219.88
  6. Step 6: Final answer
    x = 194,949.52

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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.