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Finding the Fourth Proportional to 190,598.97, 285,908.72 and 50,353.77

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Solution

The fourth proportional to 190,598.97, 285,908.72 and 50,353.77 is: 75,533.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,598.97 : 285,908.72 = 50,353.77 : x
  2. Step 2: Convert to fraction form
    190,598.97/285,908.72 = 50,353.77/x
  3. Step 3: Cross multiply
    190,598.97x = 285,908.72 × 50,353.77
  4. Step 4: Simplify right side
    190,598.97x = 14,396,581,676.11
  5. Step 5: Solve for x
    x = 14,396,581,676.11/190,598.97
  6. Step 6: Final answer
    x = 75,533.37

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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.