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Finding the Fourth Proportional to 450,211.92, 675,453.24 and 134,679.12

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Solution

The fourth proportional to 450,211.92, 675,453.24 and 134,679.12 is: 202,059.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,211.92 : 675,453.24 = 134,679.12 : x
  2. Step 2: Convert to fraction form
    450,211.92/675,453.24 = 134,679.12/x
  3. Step 3: Cross multiply
    450,211.92x = 675,453.24 × 134,679.12
  4. Step 4: Simplify right side
    450,211.92x = 90,969,447,964.35
  5. Step 5: Solve for x
    x = 90,969,447,964.35/450,211.92
  6. Step 6: Final answer
    x = 202,059.17

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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.