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Finding the Fourth Proportional to 93,651.63, 140,477.57 and 38,247.63

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Solution

The fourth proportional to 93,651.63, 140,477.57 and 38,247.63 is: 57,371.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,651.63 : 140,477.57 = 38,247.63 : x
  2. Step 2: Convert to fraction form
    93,651.63/140,477.57 = 38,247.63/x
  3. Step 3: Cross multiply
    93,651.63x = 140,477.57 × 38,247.63
  4. Step 4: Simplify right side
    93,651.63x = 5,372,934,120.66
  5. Step 5: Solve for x
    x = 5,372,934,120.66/93,651.63
  6. Step 6: Final answer
    x = 57,371.50

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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.