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Finding the Fourth Proportional to 273,531,325.70, 410,296,988.55 and 82,055,101.70

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Solution

The fourth proportional to 273,531,325.70, 410,296,988.55 and 82,055,101.70 is: 123,082,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,531,325.70 : 410,296,988.55 = 82,055,101.70 : x
  2. Step 2: Convert to fraction form
    273,531,325.70/410,296,988.55 = 82,055,101.70/x
  3. Step 3: Cross multiply
    273,531,325.70x = 410,296,988.55 × 82,055,101.70
  4. Step 4: Simplify right side
    273,531,325.70x = 33,666,961,122,673,988
  5. Step 5: Solve for x
    x = 33,666,961,122,673,988/273,531,325.70
  6. Step 6: Final answer
    x = 123,082,652.55

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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.