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Finding the Fourth Proportional to 104,481.15, 156,748.25 and 48,361.74

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Solution

The fourth proportional to 104,481.15, 156,748.25 and 48,361.74 is: 72,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,481.15 : 156,748.25 = 48,361.74 : x
  2. Step 2: Convert to fraction form
    104,481.15/156,748.25 = 48,361.74/x
  3. Step 3: Cross multiply
    104,481.15x = 156,748.25 × 48,361.74
  4. Step 4: Simplify right side
    104,481.15x = 7,580,618,111.96
  5. Step 5: Solve for x
    x = 7,580,618,111.96/104,481.15
  6. Step 6: Final answer
    x = 72,554.89

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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.