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Finding the Fourth Proportional to 73,734.89, 110,602.30 and 18,330.89

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Solution

The fourth proportional to 73,734.89, 110,602.30 and 18,330.89 is: 27,496.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,734.89 : 110,602.30 = 18,330.89 : x
  2. Step 2: Convert to fraction form
    73,734.89/110,602.30 = 18,330.89/x
  3. Step 3: Cross multiply
    73,734.89x = 110,602.30 × 18,330.89
  4. Step 4: Simplify right side
    73,734.89x = 2,027,438,595.05
  5. Step 5: Solve for x
    x = 2,027,438,595.05/73,734.89
  6. Step 6: Final answer
    x = 27,496.33

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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.