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Finding the Fourth Proportional to 269,530.10, 404,392.35 and 111,806.90

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Solution

The fourth proportional to 269,530.10, 404,392.35 and 111,806.90 is: 167,750.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,530.10 : 404,392.35 = 111,806.90 : x
  2. Step 2: Convert to fraction form
    269,530.10/404,392.35 = 111,806.90/x
  3. Step 3: Cross multiply
    269,530.10x = 404,392.35 × 111,806.90
  4. Step 4: Simplify right side
    269,530.10x = 45,213,855,037.22
  5. Step 5: Solve for x
    x = 45,213,855,037.22/269,530.10
  6. Step 6: Final answer
    x = 167,750.67

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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.