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Finding the Fourth Proportional to 167,900.98, 251,790.98 and 55,560.46

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Solution

The fourth proportional to 167,900.98, 251,790.98 and 55,560.46 is: 83,320.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,900.98 : 251,790.98 = 55,560.46 : x
  2. Step 2: Convert to fraction form
    167,900.98/251,790.98 = 55,560.46/x
  3. Step 3: Cross multiply
    167,900.98x = 251,790.98 × 55,560.46
  4. Step 4: Simplify right side
    167,900.98x = 13,989,621,413.70
  5. Step 5: Solve for x
    x = 13,989,621,413.70/167,900.98
  6. Step 6: Final answer
    x = 83,320.67

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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.