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Finding the Fourth Proportional to 202,160.04, 303,207.92 and 67,212.89

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Solution

The fourth proportional to 202,160.04, 303,207.92 and 67,212.89 is: 100,808.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,160.04 : 303,207.92 = 67,212.89 : x
  2. Step 2: Convert to fraction form
    202,160.04/303,207.92 = 67,212.89/x
  3. Step 3: Cross multiply
    202,160.04x = 303,207.92 × 67,212.89
  4. Step 4: Simplify right side
    202,160.04x = 20,379,480,996.04
  5. Step 5: Solve for x
    x = 20,379,480,996.04/202,160.04
  6. Step 6: Final answer
    x = 100,808.65

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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.