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Finding the Fourth Proportional to 70,938.53, 106,410.03 and 26,556.81

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Solution

The fourth proportional to 70,938.53, 106,410.03 and 26,556.81 is: 39,836.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,938.53 : 106,410.03 = 26,556.81 : x
  2. Step 2: Convert to fraction form
    70,938.53/106,410.03 = 26,556.81/x
  3. Step 3: Cross multiply
    70,938.53x = 106,410.03 × 26,556.81
  4. Step 4: Simplify right side
    70,938.53x = 2,825,910,450.18
  5. Step 5: Solve for x
    x = 2,825,910,450.18/70,938.53
  6. Step 6: Final answer
    x = 39,836.05

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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.