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Finding the Fourth Proportional to 33,502,912.20, 50,254,368.30 and 30,101,689.80

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Solution

The fourth proportional to 33,502,912.20, 50,254,368.30 and 30,101,689.80 is: 45,152,534.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,502,912.20 : 50,254,368.30 = 30,101,689.80 : x
  2. Step 2: Convert to fraction form
    33,502,912.20/50,254,368.30 = 30,101,689.80/x
  3. Step 3: Cross multiply
    33,502,912.20x = 50,254,368.30 × 30,101,689.80
  4. Step 4: Simplify right side
    33,502,912.20x = 1,512,741,405,661,553.25
  5. Step 5: Solve for x
    x = 1,512,741,405,661,553.25/33,502,912.20
  6. Step 6: Final answer
    x = 45,152,534.70

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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.