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Finding the Fourth Proportional to 84,409.85, 126,568.04 and 34,524.98

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Solution

The fourth proportional to 84,409.85, 126,568.04 and 34,524.98 is: 51,768.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,409.85 : 126,568.04 = 34,524.98 : x
  2. Step 2: Convert to fraction form
    84,409.85/126,568.04 = 34,524.98/x
  3. Step 3: Cross multiply
    84,409.85x = 126,568.04 × 34,524.98
  4. Step 4: Simplify right side
    84,409.85x = 4,369,758,718.80
  5. Step 5: Solve for x
    x = 4,369,758,718.80/84,409.85
  6. Step 6: Final answer
    x = 51,768.35

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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.