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Finding the Fourth Proportional to 253,676, 350,068.59 and 140,496.32

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Solution

The fourth proportional to 253,676, 350,068.59 and 140,496.32 is: 193,882.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,676 : 350,068.59 = 140,496.32 : x
  2. Step 2: Convert to fraction form
    253,676/350,068.59 = 140,496.32/x
  3. Step 3: Cross multiply
    253,676x = 350,068.59 × 140,496.32
  4. Step 4: Simplify right side
    253,676x = 49,183,348,642.59
  5. Step 5: Solve for x
    x = 49,183,348,642.59/253,676
  6. Step 6: Final answer
    x = 193,882.55

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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.