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Finding the Fourth Proportional to 351,377.52, 526,729.56 and 148,694.81

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Solution

The fourth proportional to 351,377.52, 526,729.56 and 148,694.81 is: 222,899.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,377.52 : 526,729.56 = 148,694.81 : x
  2. Step 2: Convert to fraction form
    351,377.52/526,729.56 = 148,694.81/x
  3. Step 3: Cross multiply
    351,377.52x = 526,729.56 × 148,694.81
  4. Step 4: Simplify right side
    351,377.52x = 78,321,951,845.58
  5. Step 5: Solve for x
    x = 78,321,951,845.58/351,377.52
  6. Step 6: Final answer
    x = 222,899.72

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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.