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Finding the Fourth Proportional to 200,402.42, 300,636.41 and 95,185.85

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Solution

The fourth proportional to 200,402.42, 300,636.41 and 95,185.85 is: 142,794.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,402.42 : 300,636.41 = 95,185.85 : x
  2. Step 2: Convert to fraction form
    200,402.42/300,636.41 = 95,185.85/x
  3. Step 3: Cross multiply
    200,402.42x = 300,636.41 × 95,185.85
  4. Step 4: Simplify right side
    200,402.42x = 28,616,330,247.69
  5. Step 5: Solve for x
    x = 28,616,330,247.69/200,402.42
  6. Step 6: Final answer
    x = 142,794.34

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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.