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Finding the Fourth Proportional to 104,543.97, 156,760.35 and 41,361.54

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Solution

The fourth proportional to 104,543.97, 156,760.35 and 41,361.54 is: 62,020.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,543.97 : 156,760.35 = 41,361.54 : x
  2. Step 2: Convert to fraction form
    104,543.97/156,760.35 = 41,361.54/x
  3. Step 3: Cross multiply
    104,543.97x = 156,760.35 × 41,361.54
  4. Step 4: Simplify right side
    104,543.97x = 6,483,849,486.94
  5. Step 5: Solve for x
    x = 6,483,849,486.94/104,543.97
  6. Step 6: Final answer
    x = 62,020.31

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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.