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Finding the Fourth Proportional to 248,171.87, 342,502.49 and 146,229.12

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Solution

The fourth proportional to 248,171.87, 342,502.49 and 146,229.12 is: 201,811.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,171.87 : 342,502.49 = 146,229.12 : x
  2. Step 2: Convert to fraction form
    248,171.87/342,502.49 = 146,229.12/x
  3. Step 3: Cross multiply
    248,171.87x = 342,502.49 × 146,229.12
  4. Step 4: Simplify right side
    248,171.87x = 50,083,838,076.08
  5. Step 5: Solve for x
    x = 50,083,838,076.08/248,171.87
  6. Step 6: Final answer
    x = 201,811.10

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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.