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Finding the Fourth Proportional to 33,502,915.20, 50,254,372.80 and 30,101,692.80

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Solution

The fourth proportional to 33,502,915.20, 50,254,372.80 and 30,101,692.80 is: 45,152,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,502,915.20 : 50,254,372.80 = 30,101,692.80 : x
  2. Step 2: Convert to fraction form
    33,502,915.20/50,254,372.80 = 30,101,692.80/x
  3. Step 3: Cross multiply
    33,502,915.20x = 50,254,372.80 × 30,101,692.80
  4. Step 4: Simplify right side
    33,502,915.20x = 1,512,741,691,882,275.75
  5. Step 5: Solve for x
    x = 1,512,741,691,882,275.75/33,502,915.20
  6. Step 6: Final answer
    x = 45,152,539.20

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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.