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Finding the Fourth Proportional to 295,797.21, 443,518.26 and 135,672.54

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Solution

The fourth proportional to 295,797.21, 443,518.26 and 135,672.54 is: 203,427.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,797.21 : 443,518.26 = 135,672.54 : x
  2. Step 2: Convert to fraction form
    295,797.21/443,518.26 = 135,672.54/x
  3. Step 3: Cross multiply
    295,797.21x = 443,518.26 × 135,672.54
  4. Step 4: Simplify right side
    295,797.21x = 60,173,248,870.58
  5. Step 5: Solve for x
    x = 60,173,248,870.58/295,797.21
  6. Step 6: Final answer
    x = 203,427.37

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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.