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Finding the Fourth Proportional to 265,512.48, 397,960.56 and 107,544.48

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Solution

The fourth proportional to 265,512.48, 397,960.56 and 107,544.48 is: 161,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,512.48 : 397,960.56 = 107,544.48 : x
  2. Step 2: Convert to fraction form
    265,512.48/397,960.56 = 107,544.48/x
  3. Step 3: Cross multiply
    265,512.48x = 397,960.56 × 107,544.48
  4. Step 4: Simplify right side
    265,512.48x = 42,798,461,485.71
  5. Step 5: Solve for x
    x = 42,798,461,485.71/265,512.48
  6. Step 6: Final answer
    x = 161,191.90

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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.