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Finding the Fourth Proportional to 114,169.92, 171,212.28 and 39,268.86

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Solution

The fourth proportional to 114,169.92, 171,212.28 and 39,268.86 is: 58,888.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,169.92 : 171,212.28 = 39,268.86 : x
  2. Step 2: Convert to fraction form
    114,169.92/171,212.28 = 39,268.86/x
  3. Step 3: Cross multiply
    114,169.92x = 171,212.28 × 39,268.86
  4. Step 4: Simplify right side
    114,169.92x = 6,723,311,053.60
  5. Step 5: Solve for x
    x = 6,723,311,053.60/114,169.92
  6. Step 6: Final answer
    x = 58,888.64

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1.5x scale

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.