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Finding the Fourth Proportional to 102,808.98, 154,211.85 and 32,687.28

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Solution

The fourth proportional to 102,808.98, 154,211.85 and 32,687.28 is: 49,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,808.98 : 154,211.85 = 32,687.28 : x
  2. Step 2: Convert to fraction form
    102,808.98/154,211.85 = 32,687.28/x
  3. Step 3: Cross multiply
    102,808.98x = 154,211.85 × 32,687.28
  4. Step 4: Simplify right side
    102,808.98x = 5,040,765,920.27
  5. Step 5: Solve for x
    x = 5,040,765,920.27/102,808.98
  6. Step 6: Final answer
    x = 49,030.40

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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.