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Finding the Fourth Proportional to 184,692.21, 254,859.96 and 104,139.51

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Solution

The fourth proportional to 184,692.21, 254,859.96 and 104,139.51 is: 143,703.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    184,692.21 : 254,859.96 = 104,139.51 : x
  2. Step 2: Convert to fraction form
    184,692.21/254,859.96 = 104,139.51/x
  3. Step 3: Cross multiply
    184,692.21x = 254,859.96 × 104,139.51
  4. Step 4: Simplify right side
    184,692.21x = 26,540,991,353.02
  5. Step 5: Solve for x
    x = 26,540,991,353.02/184,692.21
  6. Step 6: Final answer
    x = 143,703.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.