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Finding the Fourth Proportional to 83,559.70, 125,450.79 and 48,524.50

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Solution

The fourth proportional to 83,559.70, 125,450.79 and 48,524.50 is: 72,851.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,559.70 : 125,450.79 = 48,524.50 : x
  2. Step 2: Convert to fraction form
    83,559.70/125,450.79 = 48,524.50/x
  3. Step 3: Cross multiply
    83,559.70x = 125,450.79 × 48,524.50
  4. Step 4: Simplify right side
    83,559.70x = 6,087,436,859.36
  5. Step 5: Solve for x
    x = 6,087,436,859.36/83,559.70
  6. Step 6: Final answer
    x = 72,851.35

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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.