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Finding the Fourth Proportional to 188,933.60, 283,630.80 and 187,551.20

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Solution

The fourth proportional to 188,933.60, 283,630.80 and 187,551.20 is: 281,555.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,933.60 : 283,630.80 = 187,551.20 : x
  2. Step 2: Convert to fraction form
    188,933.60/283,630.80 = 187,551.20/x
  3. Step 3: Cross multiply
    188,933.60x = 283,630.80 × 187,551.20
  4. Step 4: Simplify right side
    188,933.60x = 53,195,296,896.96
  5. Step 5: Solve for x
    x = 53,195,296,896.96/188,933.60
  6. Step 6: Final answer
    x = 281,555.51

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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.