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Finding the Fourth Proportional to 85,994.82, 129,029.19 and 44,470.98

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Solution

The fourth proportional to 85,994.82, 129,029.19 and 44,470.98 is: 66,725.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,994.82 : 129,029.19 = 44,470.98 : x
  2. Step 2: Convert to fraction form
    85,994.82/129,029.19 = 44,470.98/x
  3. Step 3: Cross multiply
    85,994.82x = 129,029.19 × 44,470.98
  4. Step 4: Simplify right side
    85,994.82x = 5,738,054,527.91
  5. Step 5: Solve for x
    x = 5,738,054,527.91/85,994.82
  6. Step 6: Final answer
    x = 66,725.58

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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.