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Finding the Fourth Proportional to 93,911.08, 140,871.76 and 23,791

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Solution

The fourth proportional to 93,911.08, 140,871.76 and 23,791 is: 35,687.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,911.08 : 140,871.76 = 23,791 : x
  2. Step 2: Convert to fraction form
    93,911.08/140,871.76 = 23,791/x
  3. Step 3: Cross multiply
    93,911.08x = 140,871.76 × 23,791
  4. Step 4: Simplify right side
    93,911.08x = 3,351,480,042.16
  5. Step 5: Solve for x
    x = 3,351,480,042.16/93,911.08
  6. Step 6: Final answer
    x = 35,687.80

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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.