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Finding the Fourth Proportional to 192,476,108.72, 288,598,865.31 and 61,261,706.53

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Solution

The fourth proportional to 192,476,108.72, 288,598,865.31 and 61,261,706.53 is: 91,855,862.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,476,108.72 : 288,598,865.31 = 61,261,706.53 : x
  2. Step 2: Convert to fraction form
    192,476,108.72/288,598,865.31 = 61,261,706.53/x
  3. Step 3: Cross multiply
    192,476,108.72x = 288,598,865.31 × 61,261,706.53
  4. Step 4: Simplify right side
    192,476,108.72x = 17,680,058,991,512,218
  5. Step 5: Solve for x
    x = 17,680,058,991,512,218/192,476,108.72
  6. Step 6: Final answer
    x = 91,855,862.57

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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.