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Finding the Fourth Proportional to 74,996.48, 112,494.72 and 51,770.54

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Solution

The fourth proportional to 74,996.48, 112,494.72 and 51,770.54 is: 77,655.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,996.48 : 112,494.72 = 51,770.54 : x
  2. Step 2: Convert to fraction form
    74,996.48/112,494.72 = 51,770.54/x
  3. Step 3: Cross multiply
    74,996.48x = 112,494.72 × 51,770.54
  4. Step 4: Simplify right side
    74,996.48x = 5,823,912,401.55
  5. Step 5: Solve for x
    x = 5,823,912,401.55/74,996.48
  6. Step 6: Final answer
    x = 77,655.81

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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.