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Finding the Fourth Proportional to 253,702.13, 350,120.48 and 140,524.88

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Solution

The fourth proportional to 253,702.13, 350,120.48 and 140,524.88 is: 193,930.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,702.13 : 350,120.48 = 140,524.88 : x
  2. Step 2: Convert to fraction form
    253,702.13/350,120.48 = 140,524.88/x
  3. Step 3: Cross multiply
    253,702.13x = 350,120.48 × 140,524.88
  4. Step 4: Simplify right side
    253,702.13x = 49,200,635,984.32
  5. Step 5: Solve for x
    x = 49,200,635,984.32/253,702.13
  6. Step 6: Final answer
    x = 193,930.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.