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Finding the Fourth Proportional to 202,169.20, 302,719.20 and 162,001.30

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Solution

The fourth proportional to 202,169.20, 302,719.20 and 162,001.30 is: 242,573.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,169.20 : 302,719.20 = 162,001.30 : x
  2. Step 2: Convert to fraction form
    202,169.20/302,719.20 = 162,001.30/x
  3. Step 3: Cross multiply
    202,169.20x = 302,719.20 × 162,001.30
  4. Step 4: Simplify right side
    202,169.20x = 49,040,903,934.96
  5. Step 5: Solve for x
    x = 49,040,903,934.96/202,169.20
  6. Step 6: Final answer
    x = 242,573.57

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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.