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Finding the Fourth Proportional to 168,520.64, 252,827.14 and 73,733.64

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Solution

The fourth proportional to 168,520.64, 252,827.14 and 73,733.64 is: 110,620.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,520.64 : 252,827.14 = 73,733.64 : x
  2. Step 2: Convert to fraction form
    168,520.64/252,827.14 = 73,733.64/x
  3. Step 3: Cross multiply
    168,520.64x = 252,827.14 × 73,733.64
  4. Step 4: Simplify right side
    168,520.64x = 18,641,865,322.99
  5. Step 5: Solve for x
    x = 18,641,865,322.99/168,520.64
  6. Step 6: Final answer
    x = 110,620.67

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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.