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Finding the Fourth Proportional to 235,385.01, 324,824.48 and 133,419.86

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Solution

The fourth proportional to 235,385.01, 324,824.48 and 133,419.86 is: 184,115.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,385.01 : 324,824.48 = 133,419.86 : x
  2. Step 2: Convert to fraction form
    235,385.01/324,824.48 = 133,419.86/x
  3. Step 3: Cross multiply
    235,385.01x = 324,824.48 × 133,419.86
  4. Step 4: Simplify right side
    235,385.01x = 43,338,036,073.37
  5. Step 5: Solve for x
    x = 43,338,036,073.37/235,385.01
  6. Step 6: Final answer
    x = 184,115.53

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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.