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Finding the Fourth Proportional to 123,046.99, 184,593.48 and 84,740.04

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Solution

The fourth proportional to 123,046.99, 184,593.48 and 84,740.04 is: 127,125.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,046.99 : 184,593.48 = 84,740.04 : x
  2. Step 2: Convert to fraction form
    123,046.99/184,593.48 = 84,740.04/x
  3. Step 3: Cross multiply
    123,046.99x = 184,593.48 × 84,740.04
  4. Step 4: Simplify right side
    123,046.99x = 15,642,458,878.94
  5. Step 5: Solve for x
    x = 15,642,458,878.94/123,046.99
  6. Step 6: Final answer
    x = 127,125.90

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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.