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Finding the Fourth Proportional to 235,563.59, 325,086.31 and 134,981.03

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Solution

The fourth proportional to 235,563.59, 325,086.31 and 134,981.03 is: 186,278.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,563.59 : 325,086.31 = 134,981.03 : x
  2. Step 2: Convert to fraction form
    235,563.59/325,086.31 = 134,981.03/x
  3. Step 3: Cross multiply
    235,563.59x = 325,086.31 × 134,981.03
  4. Step 4: Simplify right side
    235,563.59x = 43,880,485,944.14
  5. Step 5: Solve for x
    x = 43,880,485,944.14/235,563.59
  6. Step 6: Final answer
    x = 186,278.73

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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.