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Finding the Fourth Proportional to 80,369.96, 110,905.11 and 46,379.85

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Solution

The fourth proportional to 80,369.96, 110,905.11 and 46,379.85 is: 64,001.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,369.96 : 110,905.11 = 46,379.85 : x
  2. Step 2: Convert to fraction form
    80,369.96/110,905.11 = 46,379.85/x
  3. Step 3: Cross multiply
    80,369.96x = 110,905.11 × 46,379.85
  4. Step 4: Simplify right side
    80,369.96x = 5,143,762,366.03
  5. Step 5: Solve for x
    x = 5,143,762,366.03/80,369.96
  6. Step 6: Final answer
    x = 64,001.06

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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.