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Finding the Fourth Proportional to 235,247.39, 324,047.79 and 189,798.19

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Solution

The fourth proportional to 235,247.39, 324,047.79 and 189,798.19 is: 261,442.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,247.39 : 324,047.79 = 189,798.19 : x
  2. Step 2: Convert to fraction form
    235,247.39/324,047.79 = 189,798.19/x
  3. Step 3: Cross multiply
    235,247.39x = 324,047.79 × 189,798.19
  4. Step 4: Simplify right side
    235,247.39x = 61,503,684,015.50
  5. Step 5: Solve for x
    x = 61,503,684,015.50/235,247.39
  6. Step 6: Final answer
    x = 261,442.58

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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.