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Finding the Fourth Proportional to 74,808.44, 112,211.76 and 43,265.96

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Solution

The fourth proportional to 74,808.44, 112,211.76 and 43,265.96 is: 64,898.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,808.44 : 112,211.76 = 43,265.96 : x
  2. Step 2: Convert to fraction form
    74,808.44/112,211.76 = 43,265.96/x
  3. Step 3: Cross multiply
    74,808.44x = 112,211.76 × 43,265.96
  4. Step 4: Simplify right side
    74,808.44x = 4,854,949,519.69
  5. Step 5: Solve for x
    x = 4,854,949,519.69/74,808.44
  6. Step 6: Final answer
    x = 64,898.42

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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.