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Finding the Fourth Proportional to 272,262.87, 408,437.96 and 94,820.31

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Solution

The fourth proportional to 272,262.87, 408,437.96 and 94,820.31 is: 142,245.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,262.87 : 408,437.96 = 94,820.31 : x
  2. Step 2: Convert to fraction form
    272,262.87/408,437.96 = 94,820.31/x
  3. Step 3: Cross multiply
    272,262.87x = 408,437.96 × 94,820.31
  4. Step 4: Simplify right side
    272,262.87x = 38,728,213,508.87
  5. Step 5: Solve for x
    x = 38,728,213,508.87/272,262.87
  6. Step 6: Final answer
    x = 142,245.67

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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.