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Finding the Fourth Proportional to 203,291.73, 304,914.51 and 53,543.73

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Solution

The fourth proportional to 203,291.73, 304,914.51 and 53,543.73 is: 80,309.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,291.73 : 304,914.51 = 53,543.73 : x
  2. Step 2: Convert to fraction form
    203,291.73/304,914.51 = 53,543.73/x
  3. Step 3: Cross multiply
    203,291.73x = 304,914.51 × 53,543.73
  4. Step 4: Simplify right side
    203,291.73x = 16,326,260,196.52
  5. Step 5: Solve for x
    x = 16,326,260,196.52/203,291.73
  6. Step 6: Final answer
    x = 80,309.51

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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.