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Finding the Fourth Proportional to 126,552.67, 189,922.26 and 59,992.54

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Solution

The fourth proportional to 126,552.67, 189,922.26 and 59,992.54 is: 90,033.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,552.67 : 189,922.26 = 59,992.54 : x
  2. Step 2: Convert to fraction form
    126,552.67/189,922.26 = 59,992.54/x
  3. Step 3: Cross multiply
    126,552.67x = 189,922.26 × 59,992.54
  4. Step 4: Simplify right side
    126,552.67x = 11,393,918,779.94
  5. Step 5: Solve for x
    x = 11,393,918,779.94/126,552.67
  6. Step 6: Final answer
    x = 90,033.02

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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.