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Finding the Fourth Proportional to 133,717.88, 184,532.11 and 73,287.22

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Solution

The fourth proportional to 133,717.88, 184,532.11 and 73,287.22 is: 101,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,717.88 : 184,532.11 = 73,287.22 : x
  2. Step 2: Convert to fraction form
    133,717.88/184,532.11 = 73,287.22/x
  3. Step 3: Cross multiply
    133,717.88x = 184,532.11 × 73,287.22
  4. Step 4: Simplify right side
    133,717.88x = 13,523,845,342.63
  5. Step 5: Solve for x
    x = 13,523,845,342.63/133,717.88
  6. Step 6: Final answer
    x = 101,137.15

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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.