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Finding the Fourth Proportional to 163,039.80, 244,559.70 and 148,524.60

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Solution

The fourth proportional to 163,039.80, 244,559.70 and 148,524.60 is: 222,786.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,039.80 : 244,559.70 = 148,524.60 : x
  2. Step 2: Convert to fraction form
    163,039.80/244,559.70 = 148,524.60/x
  3. Step 3: Cross multiply
    163,039.80x = 244,559.70 × 148,524.60
  4. Step 4: Simplify right side
    163,039.80x = 36,323,131,618.62
  5. Step 5: Solve for x
    x = 36,323,131,618.62/163,039.80
  6. Step 6: Final answer
    x = 222,786.90

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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.