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Finding the Fourth Proportional to 227,174,462.40, 340,761,693.60 and 73,836,019.20

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Solution

The fourth proportional to 227,174,462.40, 340,761,693.60 and 73,836,019.20 is: 110,754,028.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,174,462.40 : 340,761,693.60 = 73,836,019.20 : x
  2. Step 2: Convert to fraction form
    227,174,462.40/340,761,693.60 = 73,836,019.20/x
  3. Step 3: Cross multiply
    227,174,462.40x = 340,761,693.60 × 73,836,019.20
  4. Step 4: Simplify right side
    227,174,462.40x = 25,160,486,951,274,120
  5. Step 5: Solve for x
    x = 25,160,486,951,274,120/227,174,462.40
  6. Step 6: Final answer
    x = 110,754,028.80

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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.