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Finding the Fourth Proportional to 118,190.58, 177,287.40 and 39,304.80

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Solution

The fourth proportional to 118,190.58, 177,287.40 and 39,304.80 is: 58,957.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,190.58 : 177,287.40 = 39,304.80 : x
  2. Step 2: Convert to fraction form
    118,190.58/177,287.40 = 39,304.80/x
  3. Step 3: Cross multiply
    118,190.58x = 177,287.40 × 39,304.80
  4. Step 4: Simplify right side
    118,190.58x = 6,968,245,799.52
  5. Step 5: Solve for x
    x = 6,968,245,799.52/118,190.58
  6. Step 6: Final answer
    x = 58,957.71

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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.