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Finding the Fourth Proportional to 114,658.80, 171,930.60 and 52,258.80

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Solution

The fourth proportional to 114,658.80, 171,930.60 and 52,258.80 is: 78,361.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,658.80 : 171,930.60 = 52,258.80 : x
  2. Step 2: Convert to fraction form
    114,658.80/171,930.60 = 52,258.80/x
  3. Step 3: Cross multiply
    114,658.80x = 171,930.60 × 52,258.80
  4. Step 4: Simplify right side
    114,658.80x = 8,984,886,839.28
  5. Step 5: Solve for x
    x = 8,984,886,839.28/114,658.80
  6. Step 6: Final answer
    x = 78,361.95

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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.