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Finding the Fourth Proportional to 123,355.54, 184,786.62 and 56,704.30

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Solution

The fourth proportional to 123,355.54, 184,786.62 and 56,704.30 is: 84,943.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,355.54 : 184,786.62 = 56,704.30 : x
  2. Step 2: Convert to fraction form
    123,355.54/184,786.62 = 56,704.30/x
  3. Step 3: Cross multiply
    123,355.54x = 184,786.62 × 56,704.30
  4. Step 4: Simplify right side
    123,355.54x = 10,478,195,936.47
  5. Step 5: Solve for x
    x = 10,478,195,936.47/123,355.54
  6. Step 6: Final answer
    x = 84,943.05

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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.