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Finding the Fourth Proportional to 168,561.92, 252,852.60 and 63,381.80

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Solution

The fourth proportional to 168,561.92, 252,852.60 and 63,381.80 is: 95,076.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,561.92 : 252,852.60 = 63,381.80 : x
  2. Step 2: Convert to fraction form
    168,561.92/252,852.60 = 63,381.80/x
  3. Step 3: Cross multiply
    168,561.92x = 252,852.60 × 63,381.80
  4. Step 4: Simplify right side
    168,561.92x = 16,026,252,922.68
  5. Step 5: Solve for x
    x = 16,026,252,922.68/168,561.92
  6. Step 6: Final answer
    x = 95,076.35

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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.