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Finding the Fourth Proportional to 70,892.03, 106,353.30 and 35,372.45

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Solution

The fourth proportional to 70,892.03, 106,353.30 and 35,372.45 is: 53,066.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,892.03 : 106,353.30 = 35,372.45 : x
  2. Step 2: Convert to fraction form
    70,892.03/106,353.30 = 35,372.45/x
  3. Step 3: Cross multiply
    70,892.03x = 106,353.30 × 35,372.45
  4. Step 4: Simplify right side
    70,892.03x = 3,761,976,786.59
  5. Step 5: Solve for x
    x = 3,761,976,786.59/70,892.03
  6. Step 6: Final answer
    x = 53,066.29

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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.