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Finding the Fourth Proportional to 65,354.88, 98,049.60 and 34,181.76

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Solution

The fourth proportional to 65,354.88, 98,049.60 and 34,181.76 is: 51,281.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,354.88 : 98,049.60 = 34,181.76 : x
  2. Step 2: Convert to fraction form
    65,354.88/98,049.60 = 34,181.76/x
  3. Step 3: Cross multiply
    65,354.88x = 98,049.60 × 34,181.76
  4. Step 4: Simplify right side
    65,354.88x = 3,351,507,895.30
  5. Step 5: Solve for x
    x = 3,351,507,895.30/65,354.88
  6. Step 6: Final answer
    x = 51,281.68

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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.