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Finding the Fourth Proportional to 122,872.56, 184,302.36 and 60,522

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Solution

The fourth proportional to 122,872.56, 184,302.36 and 60,522 is: 90,779.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,872.56 : 184,302.36 = 60,522 : x
  2. Step 2: Convert to fraction form
    122,872.56/184,302.36 = 60,522/x
  3. Step 3: Cross multiply
    122,872.56x = 184,302.36 × 60,522
  4. Step 4: Simplify right side
    122,872.56x = 11,154,347,431.92
  5. Step 5: Solve for x
    x = 11,154,347,431.92/122,872.56
  6. Step 6: Final answer
    x = 90,779.81

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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.