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Finding the Fourth Proportional to 235,508.56, 324,994.86 and 133,543.33

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Solution

The fourth proportional to 235,508.56, 324,994.86 and 133,543.33 is: 184,285.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,508.56 : 324,994.86 = 133,543.33 : x
  2. Step 2: Convert to fraction form
    235,508.56/324,994.86 = 133,543.33/x
  3. Step 3: Cross multiply
    235,508.56x = 324,994.86 × 133,543.33
  4. Step 4: Simplify right side
    235,508.56x = 43,400,895,837.28
  5. Step 5: Solve for x
    x = 43,400,895,837.28/235,508.56
  6. Step 6: Final answer
    x = 184,285.85

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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.