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Finding the Fourth Proportional to 251,898.98, 347,253.35 and 191,364.54

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Solution

The fourth proportional to 251,898.98, 347,253.35 and 191,364.54 is: 263,804.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,898.98 : 347,253.35 = 191,364.54 : x
  2. Step 2: Convert to fraction form
    251,898.98/347,253.35 = 191,364.54/x
  3. Step 3: Cross multiply
    251,898.98x = 347,253.35 × 191,364.54
  4. Step 4: Simplify right side
    251,898.98x = 66,451,976,629.39
  5. Step 5: Solve for x
    x = 66,451,976,629.39/251,898.98
  6. Step 6: Final answer
    x = 263,804.08

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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.