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Finding the Fourth Proportional to 117,198.95, 175,799.52 and 28,453.23

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Solution

The fourth proportional to 117,198.95, 175,799.52 and 28,453.23 is: 42,680.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,198.95 : 175,799.52 = 28,453.23 : x
  2. Step 2: Convert to fraction form
    117,198.95/175,799.52 = 28,453.23/x
  3. Step 3: Cross multiply
    117,198.95x = 175,799.52 × 28,453.23
  4. Step 4: Simplify right side
    117,198.95x = 5,002,064,176.45
  5. Step 5: Solve for x
    x = 5,002,064,176.45/117,198.95
  6. Step 6: Final answer
    x = 42,680.11

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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.