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Finding the Fourth Proportional to 202,580.52, 279,546.78 and 111,935.52

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Solution

The fourth proportional to 202,580.52, 279,546.78 and 111,935.52 is: 154,463.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,580.52 : 279,546.78 = 111,935.52 : x
  2. Step 2: Convert to fraction form
    202,580.52/279,546.78 = 111,935.52/x
  3. Step 3: Cross multiply
    202,580.52x = 279,546.78 × 111,935.52
  4. Step 4: Simplify right side
    202,580.52x = 31,291,214,183.63
  5. Step 5: Solve for x
    x = 31,291,214,183.63/202,580.52
  6. Step 6: Final answer
    x = 154,463.10

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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.