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Finding the Fourth Proportional to 133,033.65, 199,560.08 and 80,329.65

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Solution

The fourth proportional to 133,033.65, 199,560.08 and 80,329.65 is: 120,500.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,033.65 : 199,560.08 = 80,329.65 : x
  2. Step 2: Convert to fraction form
    133,033.65/199,560.08 = 80,329.65/x
  3. Step 3: Cross multiply
    133,033.65x = 199,560.08 × 80,329.65
  4. Step 4: Simplify right side
    133,033.65x = 16,030,590,978.72
  5. Step 5: Solve for x
    x = 16,030,590,978.72/133,033.65
  6. Step 6: Final answer
    x = 120,500.27

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1.5x scale

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.