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Finding the Fourth Proportional to 235,806.30, 353,487.11 and 117,365.67

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Solution

The fourth proportional to 235,806.30, 353,487.11 and 117,365.67 is: 175,937.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,806.30 : 353,487.11 = 117,365.67 : x
  2. Step 2: Convert to fraction form
    235,806.30/353,487.11 = 117,365.67/x
  3. Step 3: Cross multiply
    235,806.30x = 353,487.11 × 117,365.67
  4. Step 4: Simplify right side
    235,806.30x = 41,487,250,914.69
  5. Step 5: Solve for x
    x = 41,487,250,914.69/235,806.30
  6. Step 6: Final answer
    x = 175,937.84

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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.