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Finding the Fourth Proportional to 200,402.70, 300,596.75 and 60,157.68

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Solution

The fourth proportional to 200,402.70, 300,596.75 and 60,157.68 is: 90,234.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,402.70 : 300,596.75 = 60,157.68 : x
  2. Step 2: Convert to fraction form
    200,402.70/300,596.75 = 60,157.68/x
  3. Step 3: Cross multiply
    200,402.70x = 300,596.75 × 60,157.68
  4. Step 4: Simplify right side
    200,402.70x = 18,083,203,095.54
  5. Step 5: Solve for x
    x = 18,083,203,095.54/200,402.70
  6. Step 6: Final answer
    x = 90,234.33

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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.