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Finding the Fourth Proportional to 104,131, 156,202.56 and 29,256.98

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Solution

The fourth proportional to 104,131, 156,202.56 and 29,256.98 is: 43,887.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,131 : 156,202.56 = 29,256.98 : x
  2. Step 2: Convert to fraction form
    104,131/156,202.56 = 29,256.98/x
  3. Step 3: Cross multiply
    104,131x = 156,202.56 × 29,256.98
  4. Step 4: Simplify right side
    104,131x = 4,570,015,173.87
  5. Step 5: Solve for x
    x = 4,570,015,173.87/104,131
  6. Step 6: Final answer
    x = 43,887.17

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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.