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Finding the Fourth Proportional to 203,350.35, 304,999.47 and 53,602.41

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Solution

The fourth proportional to 203,350.35, 304,999.47 and 53,602.41 is: 80,396.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,350.35 : 304,999.47 = 53,602.41 : x
  2. Step 2: Convert to fraction form
    203,350.35/304,999.47 = 53,602.41/x
  3. Step 3: Cross multiply
    203,350.35x = 304,999.47 × 53,602.41
  4. Step 4: Simplify right side
    203,350.35x = 16,348,706,640.72
  5. Step 5: Solve for x
    x = 16,348,706,640.72/203,350.35
  6. Step 6: Final answer
    x = 80,396.75

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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.