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Finding the Fourth Proportional to 200,217.30, 300,237.39 and 59,949.78

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Solution

The fourth proportional to 200,217.30, 300,237.39 and 59,949.78 is: 89,898.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,217.30 : 300,237.39 = 59,949.78 : x
  2. Step 2: Convert to fraction form
    200,217.30/300,237.39 = 59,949.78/x
  3. Step 3: Cross multiply
    200,217.30x = 300,237.39 × 59,949.78
  4. Step 4: Simplify right side
    200,217.30x = 17,999,165,478.27
  5. Step 5: Solve for x
    x = 17,999,165,478.27/200,217.30
  6. Step 6: Final answer
    x = 89,898.15

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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.