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Finding the Fourth Proportional to 93,695.92, 140,525.76 and 27,119.20

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Solution

The fourth proportional to 93,695.92, 140,525.76 and 27,119.20 is: 40,673.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,695.92 : 140,525.76 = 27,119.20 : x
  2. Step 2: Convert to fraction form
    93,695.92/140,525.76 = 27,119.20/x
  3. Step 3: Cross multiply
    93,695.92x = 140,525.76 × 27,119.20
  4. Step 4: Simplify right side
    93,695.92x = 3,810,946,190.59
  5. Step 5: Solve for x
    x = 3,810,946,190.59/93,695.92
  6. Step 6: Final answer
    x = 40,673.56

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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.