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Finding the Fourth Proportional to 222,305.28, 333,520.34 and 89,278.94

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Solution

The fourth proportional to 222,305.28, 333,520.34 and 89,278.94 is: 133,943.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,305.28 : 333,520.34 = 89,278.94 : x
  2. Step 2: Convert to fraction form
    222,305.28/333,520.34 = 89,278.94/x
  3. Step 3: Cross multiply
    222,305.28x = 333,520.34 × 89,278.94
  4. Step 4: Simplify right side
    222,305.28x = 29,776,340,309.64
  5. Step 5: Solve for x
    x = 29,776,340,309.64/222,305.28
  6. Step 6: Final answer
    x = 133,943.47

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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.