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Finding the Fourth Proportional to 254,049.85, 380,742.58 and 104,114.60

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Solution

The fourth proportional to 254,049.85, 380,742.58 and 104,114.60 is: 156,035.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,049.85 : 380,742.58 = 104,114.60 : x
  2. Step 2: Convert to fraction form
    254,049.85/380,742.58 = 104,114.60/x
  3. Step 3: Cross multiply
    254,049.85x = 380,742.58 × 104,114.60
  4. Step 4: Simplify right side
    254,049.85x = 39,640,860,488.24
  5. Step 5: Solve for x
    x = 39,640,860,488.24/254,049.85
  6. Step 6: Final answer
    x = 156,035.76

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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.