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Finding the Fourth Proportional to 176,268, 243,249.84 and 96,785.12

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Solution

The fourth proportional to 176,268, 243,249.84 and 96,785.12 is: 133,563.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,268 : 243,249.84 = 96,785.12 : x
  2. Step 2: Convert to fraction form
    176,268/243,249.84 = 96,785.12/x
  3. Step 3: Cross multiply
    176,268x = 243,249.84 × 96,785.12
  4. Step 4: Simplify right side
    176,268x = 23,542,964,954.38
  5. Step 5: Solve for x
    x = 23,542,964,954.38/176,268
  6. Step 6: Final answer
    x = 133,563.47

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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.