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Finding the Fourth Proportional to 80,369.76, 110,904.84 and 46,379.66

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Solution

The fourth proportional to 80,369.76, 110,904.84 and 46,379.66 is: 64,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,369.76 : 110,904.84 = 46,379.66 : x
  2. Step 2: Convert to fraction form
    80,369.76/110,904.84 = 46,379.66/x
  3. Step 3: Cross multiply
    80,369.76x = 110,904.84 × 46,379.66
  4. Step 4: Simplify right side
    80,369.76x = 5,143,728,771.55
  5. Step 5: Solve for x
    x = 5,143,728,771.55/80,369.76
  6. Step 6: Final answer
    x = 64,000.80

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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.