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Finding the Fourth Proportional to 168,664.80, 253,094.40 and 63,559.20

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Solution

The fourth proportional to 168,664.80, 253,094.40 and 63,559.20 is: 95,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,664.80 : 253,094.40 = 63,559.20 : x
  2. Step 2: Convert to fraction form
    168,664.80/253,094.40 = 63,559.20/x
  3. Step 3: Cross multiply
    168,664.80x = 253,094.40 × 63,559.20
  4. Step 4: Simplify right side
    168,664.80x = 16,086,477,588.48
  5. Step 5: Solve for x
    x = 16,086,477,588.48/168,664.80
  6. Step 6: Final answer
    x = 95,375.43

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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.