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Finding the Fourth Proportional to 201,963,592.89, 302,945,472.41 and 48,609,649.33

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Solution

The fourth proportional to 201,963,592.89, 302,945,472.41 and 48,609,649.33 is: 72,914,493.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,963,592.89 : 302,945,472.41 = 48,609,649.33 : x
  2. Step 2: Convert to fraction form
    201,963,592.89/302,945,472.41 = 48,609,649.33/x
  3. Step 3: Cross multiply
    201,963,592.89x = 302,945,472.41 × 48,609,649.33
  4. Step 4: Simplify right side
    201,963,592.89x = 14,726,073,178,960,876
  5. Step 5: Solve for x
    x = 14,726,073,178,960,876/201,963,592.89
  6. Step 6: Final answer
    x = 72,914,493.98

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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.