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Finding the Fourth Proportional to 93,694.57, 140,551.71 and 30,519.62

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Solution

The fourth proportional to 93,694.57, 140,551.71 and 30,519.62 is: 45,782.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,694.57 : 140,551.71 = 30,519.62 : x
  2. Step 2: Convert to fraction form
    93,694.57/140,551.71 = 30,519.62/x
  3. Step 3: Cross multiply
    93,694.57x = 140,551.71 × 30,519.62
  4. Step 4: Simplify right side
    93,694.57x = 4,289,584,779.55
  5. Step 5: Solve for x
    x = 4,289,584,779.55/93,694.57
  6. Step 6: Final answer
    x = 45,782.64

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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.