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Finding the Fourth Proportional to 222,503.49, 333,718.31 and 80,321.49

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Solution

The fourth proportional to 222,503.49, 333,718.31 and 80,321.49 is: 120,468.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,503.49 : 333,718.31 = 80,321.49 : x
  2. Step 2: Convert to fraction form
    222,503.49/333,718.31 = 80,321.49/x
  3. Step 3: Cross multiply
    222,503.49x = 333,718.31 × 80,321.49
  4. Step 4: Simplify right side
    222,503.49x = 26,804,752,100.29
  5. Step 5: Solve for x
    x = 26,804,752,100.29/222,503.49
  6. Step 6: Final answer
    x = 120,468.91

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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.