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Finding the Fourth Proportional to 122,915.67, 184,392.95 and 44,028.15

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Solution

The fourth proportional to 122,915.67, 184,392.95 and 44,028.15 is: 66,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,915.67 : 184,392.95 = 44,028.15 : x
  2. Step 2: Convert to fraction form
    122,915.67/184,392.95 = 44,028.15/x
  3. Step 3: Cross multiply
    122,915.67x = 184,392.95 × 44,028.15
  4. Step 4: Simplify right side
    122,915.67x = 8,118,480,241.40
  5. Step 5: Solve for x
    x = 8,118,480,241.40/122,915.67
  6. Step 6: Final answer
    x = 66,049.19

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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.