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Finding the Fourth Proportional to 202,353, 279,251.61 and 111,708.75

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Solution

The fourth proportional to 202,353, 279,251.61 and 111,708.75 is: 154,160.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,353 : 279,251.61 = 111,708.75 : x
  2. Step 2: Convert to fraction form
    202,353/279,251.61 = 111,708.75/x
  3. Step 3: Cross multiply
    202,353x = 279,251.61 × 111,708.75
  4. Step 4: Simplify right side
    202,353x = 31,194,848,288.59
  5. Step 5: Solve for x
    x = 31,194,848,288.59/202,353
  6. Step 6: Final answer
    x = 154,160.54

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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.