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Finding the Fourth Proportional to 161,285.80, 241,410.30 and 114,629.80

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Solution

The fourth proportional to 161,285.80, 241,410.30 and 114,629.80 is: 171,576.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,285.80 : 241,410.30 = 114,629.80 : x
  2. Step 2: Convert to fraction form
    161,285.80/241,410.30 = 114,629.80/x
  3. Step 3: Cross multiply
    161,285.80x = 241,410.30 × 114,629.80
  4. Step 4: Simplify right side
    161,285.80x = 27,672,814,406.94
  5. Step 5: Solve for x
    x = 27,672,814,406.94/161,285.80
  6. Step 6: Final answer
    x = 171,576.26

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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.