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Finding the Fourth Proportional to 200,755.02, 300,606.45 and 141,268.62

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Solution

The fourth proportional to 200,755.02, 300,606.45 and 141,268.62 is: 211,532.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,755.02 : 300,606.45 = 141,268.62 : x
  2. Step 2: Convert to fraction form
    200,755.02/300,606.45 = 141,268.62/x
  3. Step 3: Cross multiply
    200,755.02x = 300,606.45 × 141,268.62
  4. Step 4: Simplify right side
    200,755.02x = 42,466,258,354.60
  5. Step 5: Solve for x
    x = 42,466,258,354.60/200,755.02
  6. Step 6: Final answer
    x = 211,532.73

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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.