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Finding the Fourth Proportional to 80,187.98, 110,671.11 and 46,189.85

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Solution

The fourth proportional to 80,187.98, 110,671.11 and 46,189.85 is: 63,748.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,187.98 : 110,671.11 = 46,189.85 : x
  2. Step 2: Convert to fraction form
    80,187.98/110,671.11 = 46,189.85/x
  3. Step 3: Cross multiply
    80,187.98x = 110,671.11 × 46,189.85
  4. Step 4: Simplify right side
    80,187.98x = 5,111,881,416.88
  5. Step 5: Solve for x
    x = 5,111,881,416.88/80,187.98
  6. Step 6: Final answer
    x = 63,748.73

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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.