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Finding the Fourth Proportional to 93,791.92, 140,728.56 and 51,620.44

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Solution

The fourth proportional to 93,791.92, 140,728.56 and 51,620.44 is: 77,453.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,791.92 : 140,728.56 = 51,620.44 : x
  2. Step 2: Convert to fraction form
    93,791.92/140,728.56 = 51,620.44/x
  3. Step 3: Cross multiply
    93,791.92x = 140,728.56 × 51,620.44
  4. Step 4: Simplify right side
    93,791.92x = 7,264,470,187.77
  5. Step 5: Solve for x
    x = 7,264,470,187.77/93,791.92
  6. Step 6: Final answer
    x = 77,453.05

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1.5x scale

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.