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Finding the Fourth Proportional to 222,121.12, 332,647.80 and 127,063.12

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Solution

The fourth proportional to 222,121.12, 332,647.80 and 127,063.12 is: 190,289.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,121.12 : 332,647.80 = 127,063.12 : x
  2. Step 2: Convert to fraction form
    222,121.12/332,647.80 = 127,063.12/x
  3. Step 3: Cross multiply
    222,121.12x = 332,647.80 × 127,063.12
  4. Step 4: Simplify right side
    222,121.12x = 42,267,267,329.14
  5. Step 5: Solve for x
    x = 42,267,267,329.14/222,121.12
  6. Step 6: Final answer
    x = 190,289.28

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1.5x scale

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.