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Finding the Fourth Proportional to 118,886.44, 177,983.96 and 92,511.20

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Solution

The fourth proportional to 118,886.44, 177,983.96 and 92,511.20 is: 138,497.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,886.44 : 177,983.96 = 92,511.20 : x
  2. Step 2: Convert to fraction form
    118,886.44/177,983.96 = 92,511.20/x
  3. Step 3: Cross multiply
    118,886.44x = 177,983.96 × 92,511.20
  4. Step 4: Simplify right side
    118,886.44x = 16,465,509,720.35
  5. Step 5: Solve for x
    x = 16,465,509,720.35/118,886.44
  6. Step 6: Final answer
    x = 138,497.79

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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.