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Finding the Fourth Proportional to 253,599.99, 380,425.38 and 93,717.90

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Solution

The fourth proportional to 253,599.99, 380,425.38 and 93,717.90 is: 140,586.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,599.99 : 380,425.38 = 93,717.90 : x
  2. Step 2: Convert to fraction form
    253,599.99/380,425.38 = 93,717.90/x
  3. Step 3: Cross multiply
    253,599.99x = 380,425.38 × 93,717.90
  4. Step 4: Simplify right side
    253,599.99x = 35,652,667,720.30
  5. Step 5: Solve for x
    x = 35,652,667,720.30/253,599.99
  6. Step 6: Final answer
    x = 140,586.23

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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.