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Finding the Fourth Proportional to 99,311.40, 148,923.90 and 32,725.80

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Solution

The fourth proportional to 99,311.40, 148,923.90 and 32,725.80 is: 49,074.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,311.40 : 148,923.90 = 32,725.80 : x
  2. Step 2: Convert to fraction form
    99,311.40/148,923.90 = 32,725.80/x
  3. Step 3: Cross multiply
    99,311.40x = 148,923.90 × 32,725.80
  4. Step 4: Simplify right side
    99,311.40x = 4,873,653,766.62
  5. Step 5: Solve for x
    x = 4,873,653,766.62/99,311.40
  6. Step 6: Final answer
    x = 49,074.46

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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.