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Finding the Fourth Proportional to 64,729.20, 97,054.20 and 25,240.80

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Solution

The fourth proportional to 64,729.20, 97,054.20 and 25,240.80 is: 37,845.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,729.20 : 97,054.20 = 25,240.80 : x
  2. Step 2: Convert to fraction form
    64,729.20/97,054.20 = 25,240.80/x
  3. Step 3: Cross multiply
    64,729.20x = 97,054.20 × 25,240.80
  4. Step 4: Simplify right side
    64,729.20x = 2,449,725,651.36
  5. Step 5: Solve for x
    x = 2,449,725,651.36/64,729.20
  6. Step 6: Final answer
    x = 37,845.76

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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.