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Finding the Fourth Proportional to 133,649.88, 184,428.92 and 73,208.52

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Solution

The fourth proportional to 133,649.88, 184,428.92 and 73,208.52 is: 101,023.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,649.88 : 184,428.92 = 73,208.52 : x
  2. Step 2: Convert to fraction form
    133,649.88/184,428.92 = 73,208.52/x
  3. Step 3: Cross multiply
    133,649.88x = 184,428.92 × 73,208.52
  4. Step 4: Simplify right side
    133,649.88x = 13,501,768,278.40
  5. Step 5: Solve for x
    x = 13,501,768,278.40/133,649.88
  6. Step 6: Final answer
    x = 101,023.42

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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.