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Finding the Fourth Proportional to 253,284.48, 379,716.48 and 95,425.92

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Solution

The fourth proportional to 253,284.48, 379,716.48 and 95,425.92 is: 143,059.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,284.48 : 379,716.48 = 95,425.92 : x
  2. Step 2: Convert to fraction form
    253,284.48/379,716.48 = 95,425.92/x
  3. Step 3: Cross multiply
    253,284.48x = 379,716.48 × 95,425.92
  4. Step 4: Simplify right side
    253,284.48x = 36,234,794,443.16
  5. Step 5: Solve for x
    x = 36,234,794,443.16/253,284.48
  6. Step 6: Final answer
    x = 143,059.67

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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.