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Finding the Fourth Proportional to 192,469,868.10, 288,704,802.15 and 63,046,269.90

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Solution

The fourth proportional to 192,469,868.10, 288,704,802.15 and 63,046,269.90 is: 94,569,404.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,469,868.10 : 288,704,802.15 = 63,046,269.90 : x
  2. Step 2: Convert to fraction form
    192,469,868.10/288,704,802.15 = 63,046,269.90/x
  3. Step 3: Cross multiply
    192,469,868.10x = 288,704,802.15 × 63,046,269.90
  4. Step 4: Simplify right side
    192,469,868.10x = 18,201,760,877,775,000
  5. Step 5: Solve for x
    x = 18,201,760,877,775,000/192,469,868.10
  6. Step 6: Final answer
    x = 94,569,404.85

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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.