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Finding the Fourth Proportional to 253,103.34, 379,841.52 and 119,983.08

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Solution

The fourth proportional to 253,103.34, 379,841.52 and 119,983.08 is: 180,063.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,103.34 : 379,841.52 = 119,983.08 : x
  2. Step 2: Convert to fraction form
    253,103.34/379,841.52 = 119,983.08/x
  3. Step 3: Cross multiply
    253,103.34x = 379,841.52 × 119,983.08
  4. Step 4: Simplify right side
    253,103.34x = 45,574,555,481.48
  5. Step 5: Solve for x
    x = 45,574,555,481.48/253,103.34
  6. Step 6: Final answer
    x = 180,063.03

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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.