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Finding the Fourth Proportional to 123,044.30, 184,566.45 and 103,361.30

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Solution

The fourth proportional to 123,044.30, 184,566.45 and 103,361.30 is: 155,041.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,044.30 : 184,566.45 = 103,361.30 : x
  2. Step 2: Convert to fraction form
    123,044.30/184,566.45 = 103,361.30/x
  3. Step 3: Cross multiply
    123,044.30x = 184,566.45 × 103,361.30
  4. Step 4: Simplify right side
    123,044.30x = 19,077,028,208.39
  5. Step 5: Solve for x
    x = 19,077,028,208.39/123,044.30
  6. Step 6: Final answer
    x = 155,041.95

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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.