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Finding the Fourth Proportional to 269,528.10, 404,389.35 and 111,804.90

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Solution

The fourth proportional to 269,528.10, 404,389.35 and 111,804.90 is: 167,747.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,528.10 : 404,389.35 = 111,804.90 : x
  2. Step 2: Convert to fraction form
    269,528.10/404,389.35 = 111,804.90/x
  3. Step 3: Cross multiply
    269,528.10x = 404,389.35 × 111,804.90
  4. Step 4: Simplify right side
    269,528.10x = 45,212,710,837.82
  5. Step 5: Solve for x
    x = 45,212,710,837.82/269,528.10
  6. Step 6: Final answer
    x = 167,747.67

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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.