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Finding the Fourth Proportional to 163,024.20, 244,609.20 and 78,751.80

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Solution

The fourth proportional to 163,024.20, 244,609.20 and 78,751.80 is: 118,162.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,024.20 : 244,609.20 = 78,751.80 : x
  2. Step 2: Convert to fraction form
    163,024.20/244,609.20 = 78,751.80/x
  3. Step 3: Cross multiply
    163,024.20x = 244,609.20 × 78,751.80
  4. Step 4: Simplify right side
    163,024.20x = 19,263,414,796.56
  5. Step 5: Solve for x
    x = 19,263,414,796.56/163,024.20
  6. Step 6: Final answer
    x = 118,162.92

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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.