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Finding the Fourth Proportional to 168,143.63, 252,289.73 and 88,162.48

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Solution

The fourth proportional to 168,143.63, 252,289.73 and 88,162.48 is: 132,282.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,143.63 : 252,289.73 = 88,162.48 : x
  2. Step 2: Convert to fraction form
    168,143.63/252,289.73 = 88,162.48/x
  3. Step 3: Cross multiply
    168,143.63x = 252,289.73 × 88,162.48
  4. Step 4: Simplify right side
    168,143.63x = 22,242,487,865.01
  5. Step 5: Solve for x
    x = 22,242,487,865.01/168,143.63
  6. Step 6: Final answer
    x = 132,282.67

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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.