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Finding the Fourth Proportional to 33,502,916.20, 50,254,374.30 and 30,101,693.80

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Solution

The fourth proportional to 33,502,916.20, 50,254,374.30 and 30,101,693.80 is: 45,152,540.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,502,916.20 : 50,254,374.30 = 30,101,693.80 : x
  2. Step 2: Convert to fraction form
    33,502,916.20/50,254,374.30 = 30,101,693.80/x
  3. Step 3: Cross multiply
    33,502,916.20x = 50,254,374.30 × 30,101,693.80
  4. Step 4: Simplify right side
    33,502,916.20x = 1,512,741,787,289,189.25
  5. Step 5: Solve for x
    x = 1,512,741,787,289,189.25/33,502,916.20
  6. Step 6: Final answer
    x = 45,152,540.70

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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.