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Finding the Fourth Proportional to 235,474.08, 324,957.44 and 134,872

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Solution

The fourth proportional to 235,474.08, 324,957.44 and 134,872 is: 186,125.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,474.08 : 324,957.44 = 134,872 : x
  2. Step 2: Convert to fraction form
    235,474.08/324,957.44 = 134,872/x
  3. Step 3: Cross multiply
    235,474.08x = 324,957.44 × 134,872
  4. Step 4: Simplify right side
    235,474.08x = 43,827,659,847.68
  5. Step 5: Solve for x
    x = 43,827,659,847.68/235,474.08
  6. Step 6: Final answer
    x = 186,125.20

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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.