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Finding the Fourth Proportional to 201,652.29, 278,251.83 and 133,563.69

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Solution

The fourth proportional to 201,652.29, 278,251.83 and 133,563.69 is: 184,299.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,652.29 : 278,251.83 = 133,563.69 : x
  2. Step 2: Convert to fraction form
    201,652.29/278,251.83 = 133,563.69/x
  3. Step 3: Cross multiply
    201,652.29x = 278,251.83 × 133,563.69
  4. Step 4: Simplify right side
    201,652.29x = 37,164,341,164.05
  5. Step 5: Solve for x
    x = 37,164,341,164.05/201,652.29
  6. Step 6: Final answer
    x = 184,299.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.