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Finding the Fourth Proportional to 235,129.30, 324,499.59 and 133,179.56

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Solution

The fourth proportional to 235,129.30, 324,499.59 and 133,179.56 is: 183,799.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,129.30 : 324,499.59 = 133,179.56 : x
  2. Step 2: Convert to fraction form
    235,129.30/324,499.59 = 133,179.56/x
  3. Step 3: Cross multiply
    235,129.30x = 324,499.59 × 133,179.56
  4. Step 4: Simplify right side
    235,129.30x = 43,216,710,993.88
  5. Step 5: Solve for x
    x = 43,216,710,993.88/235,129.30
  6. Step 6: Final answer
    x = 183,799.77

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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.