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Finding the Fourth Proportional to 189,306.54, 283,853.30 and 62,879.11

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Solution

The fourth proportional to 189,306.54, 283,853.30 and 62,879.11 is: 94,283.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,306.54 : 283,853.30 = 62,879.11 : x
  2. Step 2: Convert to fraction form
    189,306.54/283,853.30 = 62,879.11/x
  3. Step 3: Cross multiply
    189,306.54x = 283,853.30 × 62,879.11
  4. Step 4: Simplify right side
    189,306.54x = 17,848,441,850.53
  5. Step 5: Solve for x
    x = 17,848,441,850.53/189,306.54
  6. Step 6: Final answer
    x = 94,283.28

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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.