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Finding the Fourth Proportional to 253,182.26, 379,960.04 and 120,062.90

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Solution

The fourth proportional to 253,182.26, 379,960.04 and 120,062.90 is: 180,182.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,182.26 : 379,960.04 = 120,062.90 : x
  2. Step 2: Convert to fraction form
    253,182.26/379,960.04 = 120,062.90/x
  3. Step 3: Cross multiply
    253,182.26x = 379,960.04 × 120,062.90
  4. Step 4: Simplify right side
    253,182.26x = 45,619,105,536.57
  5. Step 5: Solve for x
    x = 45,619,105,536.57/253,182.26
  6. Step 6: Final answer
    x = 180,182.87

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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.