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Finding the Fourth Proportional to 182,570.50, 273,890.31 and 84,074.50

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Solution

The fourth proportional to 182,570.50, 273,890.31 and 84,074.50 is: 126,127.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,570.50 : 273,890.31 = 84,074.50 : x
  2. Step 2: Convert to fraction form
    182,570.50/273,890.31 = 84,074.50/x
  3. Step 3: Cross multiply
    182,570.50x = 273,890.31 × 84,074.50
  4. Step 4: Simplify right side
    182,570.50x = 23,027,190,868.10
  5. Step 5: Solve for x
    x = 23,027,190,868.10/182,570.50
  6. Step 6: Final answer
    x = 126,127.67

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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.