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Finding the Fourth Proportional to 104,241.87, 156,360.98 and 25,356.78

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Solution

The fourth proportional to 104,241.87, 156,360.98 and 25,356.78 is: 38,034.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,241.87 : 156,360.98 = 25,356.78 : x
  2. Step 2: Convert to fraction form
    104,241.87/156,360.98 = 25,356.78/x
  3. Step 3: Cross multiply
    104,241.87x = 156,360.98 × 25,356.78
  4. Step 4: Simplify right side
    104,241.87x = 3,964,811,033.84
  5. Step 5: Solve for x
    x = 3,964,811,033.84/104,241.87
  6. Step 6: Final answer
    x = 38,034.73

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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.