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Finding the Fourth Proportional to 101,867,353.20, 152,801,029.80 and 33,701,187.60

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Solution

The fourth proportional to 101,867,353.20, 152,801,029.80 and 33,701,187.60 is: 50,551,781.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,867,353.20 : 152,801,029.80 = 33,701,187.60 : x
  2. Step 2: Convert to fraction form
    101,867,353.20/152,801,029.80 = 33,701,187.60/x
  3. Step 3: Cross multiply
    101,867,353.20x = 152,801,029.80 × 33,701,187.60
  4. Step 4: Simplify right side
    101,867,353.20x = 5,149,576,170,762,991
  5. Step 5: Solve for x
    x = 5,149,576,170,762,991/101,867,353.20
  6. Step 6: Final answer
    x = 50,551,781.40

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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.