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Finding the Fourth Proportional to 133,277.58, 199,817.61 and 80,674.62

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Solution

The fourth proportional to 133,277.58, 199,817.61 and 80,674.62 is: 120,952.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,277.58 : 199,817.61 = 80,674.62 : x
  2. Step 2: Convert to fraction form
    133,277.58/199,817.61 = 80,674.62/x
  3. Step 3: Cross multiply
    133,277.58x = 199,817.61 × 80,674.62
  4. Step 4: Simplify right side
    133,277.58x = 16,120,209,756.06
  5. Step 5: Solve for x
    x = 16,120,209,756.06/133,277.58
  6. Step 6: Final answer
    x = 120,952.15

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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.