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Finding the Fourth Proportional to 222,565.72, 306,971.17 and 191,573.73

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Solution

The fourth proportional to 222,565.72, 306,971.17 and 191,573.73 is: 264,225.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,565.72 : 306,971.17 = 191,573.73 : x
  2. Step 2: Convert to fraction form
    222,565.72/306,971.17 = 191,573.73/x
  3. Step 3: Cross multiply
    222,565.72x = 306,971.17 × 191,573.73
  4. Step 4: Simplify right side
    222,565.72x = 58,807,610,793.00
  5. Step 5: Solve for x
    x = 58,807,610,793.00/222,565.72
  6. Step 6: Final answer
    x = 264,225.82

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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.