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Finding the Fourth Proportional to 117,616.34, 176,435.43 and 33,378.57

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Solution

The fourth proportional to 117,616.34, 176,435.43 and 33,378.57 is: 50,070.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,616.34 : 176,435.43 = 33,378.57 : x
  2. Step 2: Convert to fraction form
    117,616.34/176,435.43 = 33,378.57/x
  3. Step 3: Cross multiply
    117,616.34x = 176,435.43 × 33,378.57
  4. Step 4: Simplify right side
    117,616.34x = 5,889,161,468.56
  5. Step 5: Solve for x
    x = 5,889,161,468.56/117,616.34
  6. Step 6: Final answer
    x = 50,070.95

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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.