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Finding the Fourth Proportional to 188,035.56, 281,788.16 and 103,833.63

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Solution

The fourth proportional to 188,035.56, 281,788.16 and 103,833.63 is: 155,604.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,035.56 : 281,788.16 = 103,833.63 : x
  2. Step 2: Convert to fraction form
    188,035.56/281,788.16 = 103,833.63/x
  3. Step 3: Cross multiply
    188,035.56x = 281,788.16 × 103,833.63
  4. Step 4: Simplify right side
    188,035.56x = 29,259,087,024.65
  5. Step 5: Solve for x
    x = 29,259,087,024.65/188,035.56
  6. Step 6: Final answer
    x = 155,604.01

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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.