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Finding the Fourth Proportional to 253,933.50, 350,428.23 and 140,773.50

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Solution

The fourth proportional to 253,933.50, 350,428.23 and 140,773.50 is: 194,267.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,933.50 : 350,428.23 = 140,773.50 : x
  2. Step 2: Convert to fraction form
    253,933.50/350,428.23 = 140,773.50/x
  3. Step 3: Cross multiply
    253,933.50x = 350,428.23 × 140,773.50
  4. Step 4: Simplify right side
    253,933.50x = 49,331,008,435.91
  5. Step 5: Solve for x
    x = 49,331,008,435.91/253,933.50
  6. Step 6: Final answer
    x = 194,267.43

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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.