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Finding the Fourth Proportional to 253,958.75, 350,498.80 and 157,193.66

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Solution

The fourth proportional to 253,958.75, 350,498.80 and 157,193.66 is: 216,949.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,958.75 : 350,498.80 = 157,193.66 : x
  2. Step 2: Convert to fraction form
    253,958.75/350,498.80 = 157,193.66/x
  3. Step 3: Cross multiply
    253,958.75x = 350,498.80 × 157,193.66
  4. Step 4: Simplify right side
    253,958.75x = 55,096,189,680.87
  5. Step 5: Solve for x
    x = 55,096,189,680.87/253,958.75
  6. Step 6: Final answer
    x = 216,949.37

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1.5x scale

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.