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Finding the Fourth Proportional to 110,963.58, 166,453.74 and 32,078.40

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Solution

The fourth proportional to 110,963.58, 166,453.74 and 32,078.40 is: 48,120.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,963.58 : 166,453.74 = 32,078.40 : x
  2. Step 2: Convert to fraction form
    110,963.58/166,453.74 = 32,078.40/x
  3. Step 3: Cross multiply
    110,963.58x = 166,453.74 × 32,078.40
  4. Step 4: Simplify right side
    110,963.58x = 5,339,569,653.22
  5. Step 5: Solve for x
    x = 5,339,569,653.22/110,963.58
  6. Step 6: Final answer
    x = 48,120.02

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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.