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Finding the Fourth Proportional to 114,189.38, 171,241.83 and 39,288.87

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Solution

The fourth proportional to 114,189.38, 171,241.83 and 39,288.87 is: 58,918.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,189.38 : 171,241.83 = 39,288.87 : x
  2. Step 2: Convert to fraction form
    114,189.38/171,241.83 = 39,288.87/x
  3. Step 3: Cross multiply
    114,189.38x = 171,241.83 × 39,288.87
  4. Step 4: Simplify right side
    114,189.38x = 6,727,897,997.43
  5. Step 5: Solve for x
    x = 6,727,897,997.43/114,189.38
  6. Step 6: Final answer
    x = 58,918.77

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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.