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Finding the Fourth Proportional to 114,379.68, 171,591.11 and 43,323.60

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Solution

The fourth proportional to 114,379.68, 171,591.11 and 43,323.60 is: 64,993.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,379.68 : 171,591.11 = 43,323.60 : x
  2. Step 2: Convert to fraction form
    114,379.68/171,591.11 = 43,323.60/x
  3. Step 3: Cross multiply
    114,379.68x = 171,591.11 × 43,323.60
  4. Step 4: Simplify right side
    114,379.68x = 7,433,944,613.20
  5. Step 5: Solve for x
    x = 7,433,944,613.20/114,379.68
  6. Step 6: Final answer
    x = 64,993.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.