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Finding the Fourth Proportional to 222,343.92, 333,520.80 and 80,200.56

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Solution

The fourth proportional to 222,343.92, 333,520.80 and 80,200.56 is: 120,302.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,343.92 : 333,520.80 = 80,200.56 : x
  2. Step 2: Convert to fraction form
    222,343.92/333,520.80 = 80,200.56/x
  3. Step 3: Cross multiply
    222,343.92x = 333,520.80 × 80,200.56
  4. Step 4: Simplify right side
    222,343.92x = 26,748,554,931.65
  5. Step 5: Solve for x
    x = 26,748,554,931.65/222,343.92
  6. Step 6: Final answer
    x = 120,302.61

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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.