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Finding the Fourth Proportional to 114,448.80, 171,624.60 and 55,302.60

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Solution

The fourth proportional to 114,448.80, 171,624.60 and 55,302.60 is: 82,930.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,448.80 : 171,624.60 = 55,302.60 : x
  2. Step 2: Convert to fraction form
    114,448.80/171,624.60 = 55,302.60/x
  3. Step 3: Cross multiply
    114,448.80x = 171,624.60 × 55,302.60
  4. Step 4: Simplify right side
    114,448.80x = 9,491,286,603.96
  5. Step 5: Solve for x
    x = 9,491,286,603.96/114,448.80
  6. Step 6: Final answer
    x = 82,930.42

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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.