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Finding the Fourth Proportional to 133,084.30, 199,626.45 and 80,596.30

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Solution

The fourth proportional to 133,084.30, 199,626.45 and 80,596.30 is: 120,894.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,084.30 : 199,626.45 = 80,596.30 : x
  2. Step 2: Convert to fraction form
    133,084.30/199,626.45 = 80,596.30/x
  3. Step 3: Cross multiply
    133,084.30x = 199,626.45 × 80,596.30
  4. Step 4: Simplify right side
    133,084.30x = 16,089,153,252.14
  5. Step 5: Solve for x
    x = 16,089,153,252.14/133,084.30
  6. Step 6: Final answer
    x = 120,894.45

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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.