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Finding the Fourth Proportional to 291,243.92, 437,035.64 and 122,753.92

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Solution

The fourth proportional to 291,243.92, 437,035.64 and 122,753.92 is: 184,202.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,243.92 : 437,035.64 = 122,753.92 : x
  2. Step 2: Convert to fraction form
    291,243.92/437,035.64 = 122,753.92/x
  3. Step 3: Cross multiply
    291,243.92x = 437,035.64 × 122,753.92
  4. Step 4: Simplify right side
    291,243.92x = 53,647,837,989.71
  5. Step 5: Solve for x
    x = 53,647,837,989.71/291,243.92
  6. Step 6: Final answer
    x = 184,202.43

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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.