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Finding the Fourth Proportional to 253,000.88, 379,457.36 and 95,230.56

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Solution

The fourth proportional to 253,000.88, 379,457.36 and 95,230.56 is: 142,829.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,000.88 : 379,457.36 = 95,230.56 : x
  2. Step 2: Convert to fraction form
    253,000.88/379,457.36 = 95,230.56/x
  3. Step 3: Cross multiply
    253,000.88x = 379,457.36 × 95,230.56
  4. Step 4: Simplify right side
    253,000.88x = 36,135,936,888.92
  5. Step 5: Solve for x
    x = 36,135,936,888.92/253,000.88
  6. Step 6: Final answer
    x = 142,829.29

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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.