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Finding the Fourth Proportional to 450,481.05, 675,522.32 and 134,879.13

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Solution

The fourth proportional to 450,481.05, 675,522.32 and 134,879.13 is: 202,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,481.05 : 675,522.32 = 134,879.13 : x
  2. Step 2: Convert to fraction form
    450,481.05/675,522.32 = 134,879.13/x
  3. Step 3: Cross multiply
    450,481.05x = 675,522.32 × 134,879.13
  4. Step 4: Simplify right side
    450,481.05x = 91,113,862,142.79
  5. Step 5: Solve for x
    x = 91,113,862,142.79/450,481.05
  6. Step 6: Final answer
    x = 202,259.03

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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.