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Finding the Fourth Proportional to 222,565.60, 306,971.00 and 191,573.60

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Solution

The fourth proportional to 222,565.60, 306,971.00 and 191,573.60 is: 264,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,565.60 : 306,971.00 = 191,573.60 : x
  2. Step 2: Convert to fraction form
    222,565.60/306,971.00 = 191,573.60/x
  3. Step 3: Cross multiply
    222,565.60x = 306,971.00 × 191,573.60
  4. Step 4: Simplify right side
    222,565.60x = 58,807,539,375.16
  5. Step 5: Solve for x
    x = 58,807,539,375.16/222,565.60
  6. Step 6: Final answer
    x = 264,225.65

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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.