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Finding the Fourth Proportional to 111,392.80, 167,095.60 and 32,519.20

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Solution

The fourth proportional to 111,392.80, 167,095.60 and 32,519.20 is: 48,780.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,392.80 : 167,095.60 = 32,519.20 : x
  2. Step 2: Convert to fraction form
    111,392.80/167,095.60 = 32,519.20/x
  3. Step 3: Cross multiply
    111,392.80x = 167,095.60 × 32,519.20
  4. Step 4: Simplify right side
    111,392.80x = 5,433,815,235.52
  5. Step 5: Solve for x
    x = 5,433,815,235.52/111,392.80
  6. Step 6: Final answer
    x = 48,780.67

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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.