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Finding the Fourth Proportional to 89,847.75, 134,732.29 and 33,648.45

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Solution

The fourth proportional to 89,847.75, 134,732.29 and 33,648.45 is: 50,457.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,847.75 : 134,732.29 = 33,648.45 : x
  2. Step 2: Convert to fraction form
    89,847.75/134,732.29 = 33,648.45/x
  3. Step 3: Cross multiply
    89,847.75x = 134,732.29 × 33,648.45
  4. Step 4: Simplify right side
    89,847.75x = 4,533,532,430.95
  5. Step 5: Solve for x
    x = 4,533,532,430.95/89,847.75
  6. Step 6: Final answer
    x = 50,457.94

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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.