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Finding the Fourth Proportional to 235,486.56, 324,958.32 and 134,891.04

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Solution

The fourth proportional to 235,486.56, 324,958.32 and 134,891.04 is: 186,142.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,486.56 : 324,958.32 = 134,891.04 : x
  2. Step 2: Convert to fraction form
    235,486.56/324,958.32 = 134,891.04/x
  3. Step 3: Cross multiply
    235,486.56x = 324,958.32 × 134,891.04
  4. Step 4: Simplify right side
    235,486.56x = 43,833,965,741.45
  5. Step 5: Solve for x
    x = 43,833,965,741.45/235,486.56
  6. Step 6: Final answer
    x = 186,142.11

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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.