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Finding the Fourth Proportional to 80,369.45, 110,904.42 and 46,379.35

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Solution

The fourth proportional to 80,369.45, 110,904.42 and 46,379.35 is: 64,000.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,369.45 : 110,904.42 = 46,379.35 : x
  2. Step 2: Convert to fraction form
    80,369.45/110,904.42 = 46,379.35/x
  3. Step 3: Cross multiply
    80,369.45x = 110,904.42 × 46,379.35
  4. Step 4: Simplify right side
    80,369.45x = 5,143,674,911.73
  5. Step 5: Solve for x
    x = 5,143,674,911.73/80,369.45
  6. Step 6: Final answer
    x = 64,000.37

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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.