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Finding the Fourth Proportional to 171,729.48, 257,260.64 and 96,620.60

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Solution

The fourth proportional to 171,729.48, 257,260.64 and 96,620.60 is: 144,743.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,729.48 : 257,260.64 = 96,620.60 : x
  2. Step 2: Convert to fraction form
    171,729.48/257,260.64 = 96,620.60/x
  3. Step 3: Cross multiply
    171,729.48x = 257,260.64 × 96,620.60
  4. Step 4: Simplify right side
    171,729.48x = 24,856,677,393.18
  5. Step 5: Solve for x
    x = 24,856,677,393.18/171,729.48
  6. Step 6: Final answer
    x = 144,743.22

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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.