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Finding the Fourth Proportional to 110,865.68, 166,354.68 and 48,536.72

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Solution

The fourth proportional to 110,865.68, 166,354.68 and 48,536.72 is: 72,829.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,865.68 : 166,354.68 = 48,536.72 : x
  2. Step 2: Convert to fraction form
    110,865.68/166,354.68 = 48,536.72/x
  3. Step 3: Cross multiply
    110,865.68x = 166,354.68 × 48,536.72
  4. Step 4: Simplify right side
    110,865.68x = 8,074,310,523.85
  5. Step 5: Solve for x
    x = 8,074,310,523.85/110,865.68
  6. Step 6: Final answer
    x = 72,829.67

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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.