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Finding the Fourth Proportional to 118,613.76, 177,912.96 and 44,739.84

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Solution

The fourth proportional to 118,613.76, 177,912.96 and 44,739.84 is: 67,106.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,613.76 : 177,912.96 = 44,739.84 : x
  2. Step 2: Convert to fraction form
    118,613.76/177,912.96 = 44,739.84/x
  3. Step 3: Cross multiply
    118,613.76x = 177,912.96 × 44,739.84
  4. Step 4: Simplify right side
    118,613.76x = 7,959,797,364.33
  5. Step 5: Solve for x
    x = 7,959,797,364.33/118,613.76
  6. Step 6: Final answer
    x = 67,106.86

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1.5x scale

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.