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Finding the Fourth Proportional to 168,608.96, 252,718.88 and 63,360.64

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Solution

The fourth proportional to 168,608.96, 252,718.88 and 63,360.64 is: 94,967.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,608.96 : 252,718.88 = 63,360.64 : x
  2. Step 2: Convert to fraction form
    168,608.96/252,718.88 = 63,360.64/x
  3. Step 3: Cross multiply
    168,608.96x = 252,718.88 × 63,360.64
  4. Step 4: Simplify right side
    168,608.96x = 16,012,429,976.88
  5. Step 5: Solve for x
    x = 16,012,429,976.88/168,608.96
  6. Step 6: Final answer
    x = 94,967.85

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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.