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Finding the Fourth Proportional to 123,419.30, 184,800.90 and 123,419.30

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Solution

The fourth proportional to 123,419.30, 184,800.90 and 123,419.30 is: 184,800.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,419.30 : 184,800.90 = 123,419.30 : x
  2. Step 2: Convert to fraction form
    123,419.30/184,800.90 = 123,419.30/x
  3. Step 3: Cross multiply
    123,419.30x = 184,800.90 × 123,419.30
  4. Step 4: Simplify right side
    123,419.30x = 22,807,997,717.37
  5. Step 5: Solve for x
    x = 22,807,997,717.37/123,419.30
  6. Step 6: Final answer
    x = 184,800.90

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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.