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Finding the Fourth Proportional to 80,171.88, 110,645.64 and 46,181.76

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Solution

The fourth proportional to 80,171.88, 110,645.64 and 46,181.76 is: 63,735.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,171.88 : 110,645.64 = 46,181.76 : x
  2. Step 2: Convert to fraction form
    80,171.88/110,645.64 = 46,181.76/x
  3. Step 3: Cross multiply
    80,171.88x = 110,645.64 × 46,181.76
  4. Step 4: Simplify right side
    80,171.88x = 5,109,810,391.53
  5. Step 5: Solve for x
    x = 5,109,810,391.53/80,171.88
  6. Step 6: Final answer
    x = 63,735.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.