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Finding the Fourth Proportional to 265,247.79, 397,884.90 and 75,736.27

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Solution

The fourth proportional to 265,247.79, 397,884.90 and 75,736.27 is: 113,608.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,247.79 : 397,884.90 = 75,736.27 : x
  2. Step 2: Convert to fraction form
    265,247.79/397,884.90 = 75,736.27/x
  3. Step 3: Cross multiply
    265,247.79x = 397,884.90 × 75,736.27
  4. Step 4: Simplify right side
    265,247.79x = 30,134,316,226.07
  5. Step 5: Solve for x
    x = 30,134,316,226.07/265,247.79
  6. Step 6: Final answer
    x = 113,608.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.