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Finding the Fourth Proportional to 235,802.30, 353,481.09 and 117,361.67

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Solution

The fourth proportional to 235,802.30, 353,481.09 and 117,361.67 is: 175,931.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,802.30 : 353,481.09 = 117,361.67 : x
  2. Step 2: Convert to fraction form
    235,802.30/353,481.09 = 117,361.67/x
  3. Step 3: Cross multiply
    235,802.30x = 353,481.09 × 117,361.67
  4. Step 4: Simplify right side
    235,802.30x = 41,485,131,035.82
  5. Step 5: Solve for x
    x = 41,485,131,035.82/235,802.30
  6. Step 6: Final answer
    x = 175,931.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.