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Finding the Fourth Proportional to 104,274.50, 156,420.97 and 29,395.31

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Solution

The fourth proportional to 104,274.50, 156,420.97 and 29,395.31 is: 44,095.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,274.50 : 156,420.97 = 29,395.31 : x
  2. Step 2: Convert to fraction form
    104,274.50/156,420.97 = 29,395.31/x
  3. Step 3: Cross multiply
    104,274.50x = 156,420.97 × 29,395.31
  4. Step 4: Simplify right side
    104,274.50x = 4,598,042,048.06
  5. Step 5: Solve for x
    x = 4,598,042,048.06/104,274.50
  6. Step 6: Final answer
    x = 44,095.56

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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.