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Finding the Fourth Proportional to 111,078.72, 166,684.32 and 44,533.44

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Solution

The fourth proportional to 111,078.72, 166,684.32 and 44,533.44 is: 66,826.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,078.72 : 166,684.32 = 44,533.44 : x
  2. Step 2: Convert to fraction form
    111,078.72/166,684.32 = 44,533.44/x
  3. Step 3: Cross multiply
    111,078.72x = 166,684.32 × 44,533.44
  4. Step 4: Simplify right side
    111,078.72x = 7,423,026,163.66
  5. Step 5: Solve for x
    x = 7,423,026,163.66/111,078.72
  6. Step 6: Final answer
    x = 66,826.72

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1.5x scale

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.