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Finding the Fourth Proportional to 235,388.43, 324,838.15 and 127,958.67

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Solution

The fourth proportional to 235,388.43, 324,838.15 and 127,958.67 is: 176,584.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,388.43 : 324,838.15 = 127,958.67 : x
  2. Step 2: Convert to fraction form
    235,388.43/324,838.15 = 127,958.67/x
  3. Step 3: Cross multiply
    235,388.43x = 324,838.15 × 127,958.67
  4. Step 4: Simplify right side
    235,388.43x = 41,565,857,319.36
  5. Step 5: Solve for x
    x = 41,565,857,319.36/235,388.43
  6. Step 6: Final answer
    x = 176,584.11

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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.