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Finding the Fourth Proportional to 222,108.48, 333,194.31 and 81,856.17

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Solution

The fourth proportional to 222,108.48, 333,194.31 and 81,856.17 is: 122,795.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,108.48 : 333,194.31 = 81,856.17 : x
  2. Step 2: Convert to fraction form
    222,108.48/333,194.31 = 81,856.17/x
  3. Step 3: Cross multiply
    222,108.48x = 333,194.31 × 81,856.17
  4. Step 4: Simplify right side
    222,108.48x = 27,274,010,082.39
  5. Step 5: Solve for x
    x = 27,274,010,082.39/222,108.48
  6. Step 6: Final answer
    x = 122,795.90

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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.