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Finding the Fourth Proportional to 269,720.24, 404,645.36 and 101,242.32

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Solution

The fourth proportional to 269,720.24, 404,645.36 and 101,242.32 is: 151,887.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,720.24 : 404,645.36 = 101,242.32 : x
  2. Step 2: Convert to fraction form
    269,720.24/404,645.36 = 101,242.32/x
  3. Step 3: Cross multiply
    269,720.24x = 404,645.36 × 101,242.32
  4. Step 4: Simplify right side
    269,720.24x = 40,967,235,023.64
  5. Step 5: Solve for x
    x = 40,967,235,023.64/269,720.24
  6. Step 6: Final answer
    x = 151,887.88

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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.