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Finding the Fourth Proportional to 274,689,002.70, 412,033,504.05 and 92,936,180.70

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Solution

The fourth proportional to 274,689,002.70, 412,033,504.05 and 92,936,180.70 is: 139,404,271.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,689,002.70 : 412,033,504.05 = 92,936,180.70 : x
  2. Step 2: Convert to fraction form
    274,689,002.70/412,033,504.05 = 92,936,180.70/x
  3. Step 3: Cross multiply
    274,689,002.70x = 412,033,504.05 × 92,936,180.70
  4. Step 4: Simplify right side
    274,689,002.70x = 38,292,820,186,844,984
  5. Step 5: Solve for x
    x = 38,292,820,186,844,984/274,689,002.70
  6. Step 6: Final answer
    x = 139,404,271.05

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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.