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Finding the Fourth Proportional to 123,309.61, 184,853.36 and 44,368.31

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Solution

The fourth proportional to 123,309.61, 184,853.36 and 44,368.31 is: 66,512.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,309.61 : 184,853.36 = 44,368.31 : x
  2. Step 2: Convert to fraction form
    123,309.61/184,853.36 = 44,368.31/x
  3. Step 3: Cross multiply
    123,309.61x = 184,853.36 × 44,368.31
  4. Step 4: Simplify right side
    123,309.61x = 8,201,631,754.08
  5. Step 5: Solve for x
    x = 8,201,631,754.08/123,309.61
  6. Step 6: Final answer
    x = 66,512.51

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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.