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Finding the Fourth Proportional to 202,933.90, 304,400.85 and 92,125.90

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Solution

The fourth proportional to 202,933.90, 304,400.85 and 92,125.90 is: 138,188.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,933.90 : 304,400.85 = 92,125.90 : x
  2. Step 2: Convert to fraction form
    202,933.90/304,400.85 = 92,125.90/x
  3. Step 3: Cross multiply
    202,933.90x = 304,400.85 × 92,125.90
  4. Step 4: Simplify right side
    202,933.90x = 28,043,202,267.02
  5. Step 5: Solve for x
    x = 28,043,202,267.02/202,933.90
  6. Step 6: Final answer
    x = 138,188.85

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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.