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Finding the Fourth Proportional to 202,167.90, 303,251.85 and 162,801.90

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Solution

The fourth proportional to 202,167.90, 303,251.85 and 162,801.90 is: 244,202.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,167.90 : 303,251.85 = 162,801.90 : x
  2. Step 2: Convert to fraction form
    202,167.90/303,251.85 = 162,801.90/x
  3. Step 3: Cross multiply
    202,167.90x = 303,251.85 × 162,801.90
  4. Step 4: Simplify right side
    202,167.90x = 49,369,977,358.52
  5. Step 5: Solve for x
    x = 49,369,977,358.52/202,167.90
  6. Step 6: Final answer
    x = 244,202.85

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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.