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Finding the Fourth Proportional to 104,261.64, 156,392.64 and 25,375.92

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Solution

The fourth proportional to 104,261.64, 156,392.64 and 25,375.92 is: 38,063.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,261.64 : 156,392.64 = 25,375.92 : x
  2. Step 2: Convert to fraction form
    104,261.64/156,392.64 = 25,375.92/x
  3. Step 3: Cross multiply
    104,261.64x = 156,392.64 × 25,375.92
  4. Step 4: Simplify right side
    104,261.64x = 3,968,607,121.23
  5. Step 5: Solve for x
    x = 3,968,607,121.23/104,261.64
  6. Step 6: Final answer
    x = 38,063.92

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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.