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Finding the Fourth Proportional to 123,344.78, 184,905.38 and 44,403.19

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Solution

The fourth proportional to 123,344.78, 184,905.38 and 44,403.19 is: 66,564.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,344.78 : 184,905.38 = 44,403.19 : x
  2. Step 2: Convert to fraction form
    123,344.78/184,905.38 = 44,403.19/x
  3. Step 3: Cross multiply
    123,344.78x = 184,905.38 × 44,403.19
  4. Step 4: Simplify right side
    123,344.78x = 8,210,388,368.91
  5. Step 5: Solve for x
    x = 8,210,388,368.91/123,344.78
  6. Step 6: Final answer
    x = 66,564.54

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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.