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Finding the Fourth Proportional to 200,909.70, 301,364.55 and 60,650.10

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Solution

The fourth proportional to 200,909.70, 301,364.55 and 60,650.10 is: 90,975.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,909.70 : 301,364.55 = 60,650.10 : x
  2. Step 2: Convert to fraction form
    200,909.70/301,364.55 = 60,650.10/x
  3. Step 3: Cross multiply
    200,909.70x = 301,364.55 × 60,650.10
  4. Step 4: Simplify right side
    200,909.70x = 18,277,790,093.96
  5. Step 5: Solve for x
    x = 18,277,790,093.96/200,909.70
  6. Step 6: Final answer
    x = 90,975.15

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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.