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Finding the Fourth Proportional to 202,999.40, 304,499.10 and 194,834.60

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Solution

The fourth proportional to 202,999.40, 304,499.10 and 194,834.60 is: 292,251.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,999.40 : 304,499.10 = 194,834.60 : x
  2. Step 2: Convert to fraction form
    202,999.40/304,499.10 = 194,834.60/x
  3. Step 3: Cross multiply
    202,999.40x = 304,499.10 × 194,834.60
  4. Step 4: Simplify right side
    202,999.40x = 59,326,960,348.86
  5. Step 5: Solve for x
    x = 59,326,960,348.86/202,999.40
  6. Step 6: Final answer
    x = 292,251.90

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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.