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Finding the Fourth Proportional to 188,051.88, 281,812.64 and 103,849.96

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Solution

The fourth proportional to 188,051.88, 281,812.64 and 103,849.96 is: 155,628.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,051.88 : 281,812.64 = 103,849.96 : x
  2. Step 2: Convert to fraction form
    188,051.88/281,812.64 = 103,849.96/x
  3. Step 3: Cross multiply
    188,051.88x = 281,812.64 × 103,849.96
  4. Step 4: Simplify right side
    188,051.88x = 29,266,231,391.49
  5. Step 5: Solve for x
    x = 29,266,231,391.49/188,051.88
  6. Step 6: Final answer
    x = 155,628.50

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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.