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Finding the Fourth Proportional to 89,792.28, 134,703 and 33,651.72

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Solution

The fourth proportional to 89,792.28, 134,703 and 33,651.72 is: 50,483.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,792.28 : 134,703 = 33,651.72 : x
  2. Step 2: Convert to fraction form
    89,792.28/134,703 = 33,651.72/x
  3. Step 3: Cross multiply
    89,792.28x = 134,703 × 33,651.72
  4. Step 4: Simplify right side
    89,792.28x = 4,532,987,639.16
  5. Step 5: Solve for x
    x = 4,532,987,639.16/89,792.28
  6. Step 6: Final answer
    x = 50,483.04

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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.