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Finding the Fourth Proportional to 235,474.68, 325,025.10 and 134,939.64

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Solution

The fourth proportional to 235,474.68, 325,025.10 and 134,939.64 is: 186,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,474.68 : 325,025.10 = 134,939.64 : x
  2. Step 2: Convert to fraction form
    235,474.68/325,025.10 = 134,939.64/x
  3. Step 3: Cross multiply
    235,474.68x = 325,025.10 × 134,939.64
  4. Step 4: Simplify right side
    235,474.68x = 43,858,769,984.96
  5. Step 5: Solve for x
    x = 43,858,769,984.96/235,474.68
  6. Step 6: Final answer
    x = 186,256.84

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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.