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Finding the Fourth Proportional to 188,651.64, 282,889.96 and 109,788.44

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Solution

The fourth proportional to 188,651.64, 282,889.96 and 109,788.44 is: 164,631.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    188,651.64 : 282,889.96 = 109,788.44 : x
  2. Step 2: Convert to fraction form
    188,651.64/282,889.96 = 109,788.44/x
  3. Step 3: Cross multiply
    188,651.64x = 282,889.96 × 109,788.44
  4. Step 4: Simplify right side
    188,651.64x = 31,058,047,400.06
  5. Step 5: Solve for x
    x = 31,058,047,400.06/188,651.64
  6. Step 6: Final answer
    x = 164,631.74

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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.