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Finding the Fourth Proportional to 248,466.68, 372,408.42 and 130,193.72

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Solution

The fourth proportional to 248,466.68, 372,408.42 and 130,193.72 is: 195,137.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,466.68 : 372,408.42 = 130,193.72 : x
  2. Step 2: Convert to fraction form
    248,466.68/372,408.42 = 130,193.72/x
  3. Step 3: Cross multiply
    248,466.68x = 372,408.42 × 130,193.72
  4. Step 4: Simplify right side
    248,466.68x = 48,485,237,559.12
  5. Step 5: Solve for x
    x = 48,485,237,559.12/248,466.68
  6. Step 6: Final answer
    x = 195,137.78

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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.