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Finding the Fourth Proportional to 123,130.94, 184,696.43 and 29,636.69

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Solution

The fourth proportional to 123,130.94, 184,696.43 and 29,636.69 is: 44,455.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,130.94 : 184,696.43 = 29,636.69 : x
  2. Step 2: Convert to fraction form
    123,130.94/184,696.43 = 29,636.69/x
  3. Step 3: Cross multiply
    123,130.94x = 184,696.43 × 29,636.69
  4. Step 4: Simplify right side
    123,130.94x = 5,473,789,768.35
  5. Step 5: Solve for x
    x = 5,473,789,768.35/123,130.94
  6. Step 6: Final answer
    x = 44,455.03

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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.