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Finding the Fourth Proportional to 188,480.74, 282,816.78 and 125,344.78

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Solution

The fourth proportional to 188,480.74, 282,816.78 and 125,344.78 is: 188,080.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,480.74 : 282,816.78 = 125,344.78 : x
  2. Step 2: Convert to fraction form
    188,480.74/282,816.78 = 125,344.78/x
  3. Step 3: Cross multiply
    188,480.74x = 282,816.78 × 125,344.78
  4. Step 4: Simplify right side
    188,480.74x = 35,449,607,069.41
  5. Step 5: Solve for x
    x = 35,449,607,069.41/188,480.74
  6. Step 6: Final answer
    x = 188,080.79

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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.