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Finding the Fourth Proportional to 133,692.39, 184,487.49 and 73,251

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Solution

The fourth proportional to 133,692.39, 184,487.49 and 73,251 is: 101,081.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,692.39 : 184,487.49 = 73,251 : x
  2. Step 2: Convert to fraction form
    133,692.39/184,487.49 = 73,251/x
  3. Step 3: Cross multiply
    133,692.39x = 184,487.49 × 73,251
  4. Step 4: Simplify right side
    133,692.39x = 13,513,893,129.99
  5. Step 5: Solve for x
    x = 13,513,893,129.99/133,692.39
  6. Step 6: Final answer
    x = 101,081.99

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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.