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Finding the Fourth Proportional to 222,565.97, 306,971.51 and 191,573.98

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Solution

The fourth proportional to 222,565.97, 306,971.51 and 191,573.98 is: 264,226.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,565.97 : 306,971.51 = 191,573.98 : x
  2. Step 2: Convert to fraction form
    222,565.97/306,971.51 = 191,573.98/x
  3. Step 3: Cross multiply
    222,565.97x = 306,971.51 × 191,573.98
  4. Step 4: Simplify right side
    222,565.97x = 58,807,753,628.82
  5. Step 5: Solve for x
    x = 58,807,753,628.82/222,565.97
  6. Step 6: Final answer
    x = 264,226.17

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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.