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Finding the Fourth Proportional to 123,291.77, 184,936.37 and 39,051.91

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Solution

The fourth proportional to 123,291.77, 184,936.37 and 39,051.91 is: 58,577.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,291.77 : 184,936.37 = 39,051.91 : x
  2. Step 2: Convert to fraction form
    123,291.77/184,936.37 = 39,051.91/x
  3. Step 3: Cross multiply
    123,291.77x = 184,936.37 × 39,051.91
  4. Step 4: Simplify right side
    123,291.77x = 7,222,117,802.11
  5. Step 5: Solve for x
    x = 7,222,117,802.11/123,291.77
  6. Step 6: Final answer
    x = 58,577.45

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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.