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Finding the Fourth Proportional to 104,441.26, 156,687.80 and 30,569.26

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Solution

The fourth proportional to 104,441.26, 156,687.80 and 30,569.26 is: 45,861.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,441.26 : 156,687.80 = 30,569.26 : x
  2. Step 2: Convert to fraction form
    104,441.26/156,687.80 = 30,569.26/x
  3. Step 3: Cross multiply
    104,441.26x = 156,687.80 × 30,569.26
  4. Step 4: Simplify right side
    104,441.26x = 4,789,830,097.03
  5. Step 5: Solve for x
    x = 4,789,830,097.03/104,441.26
  6. Step 6: Final answer
    x = 45,861.47

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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.