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Finding the Fourth Proportional to 93,694.37, 140,587.74 and 43,777.94

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Solution

The fourth proportional to 93,694.37, 140,587.74 and 43,777.94 is: 65,688.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,694.37 : 140,587.74 = 43,777.94 : x
  2. Step 2: Convert to fraction form
    93,694.37/140,587.74 = 43,777.94/x
  3. Step 3: Cross multiply
    93,694.37x = 140,587.74 × 43,777.94
  4. Step 4: Simplify right side
    93,694.37x = 6,154,640,943.52
  5. Step 5: Solve for x
    x = 6,154,640,943.52/93,694.37
  6. Step 6: Final answer
    x = 65,688.49

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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.