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Finding the Fourth Proportional to 114,560.80, 171,884.40 and 55,448.80

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Solution

The fourth proportional to 114,560.80, 171,884.40 and 55,448.80 is: 83,194.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,560.80 : 171,884.40 = 55,448.80 : x
  2. Step 2: Convert to fraction form
    114,560.80/171,884.40 = 55,448.80/x
  3. Step 3: Cross multiply
    114,560.80x = 171,884.40 × 55,448.80
  4. Step 4: Simplify right side
    114,560.80x = 9,530,783,718.72
  5. Step 5: Solve for x
    x = 9,530,783,718.72/114,560.80
  6. Step 6: Final answer
    x = 83,194.11

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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.