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Finding the Fourth Proportional to 230,424.50, 345,561.99 and 88,262.21

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Solution

The fourth proportional to 230,424.50, 345,561.99 and 88,262.21 is: 132,364.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,424.50 : 345,561.99 = 88,262.21 : x
  2. Step 2: Convert to fraction form
    230,424.50/345,561.99 = 88,262.21/x
  3. Step 3: Cross multiply
    230,424.50x = 345,561.99 × 88,262.21
  4. Step 4: Simplify right side
    230,424.50x = 30,500,063,201.59
  5. Step 5: Solve for x
    x = 30,500,063,201.59/230,424.50
  6. Step 6: Final answer
    x = 132,364.67

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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.