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Finding the Fourth Proportional to 273,239,958.39, 409,859,619.24 and 89,007,137.34

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Solution

The fourth proportional to 273,239,958.39, 409,859,619.24 and 89,007,137.34 is: 133,510,602.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,239,958.39 : 409,859,619.24 = 89,007,137.34 : x
  2. Step 2: Convert to fraction form
    273,239,958.39/409,859,619.24 = 89,007,137.34/x
  3. Step 3: Cross multiply
    273,239,958.39x = 409,859,619.24 × 89,007,137.34
  4. Step 4: Simplify right side
    273,239,958.39x = 36,480,431,419,814,792
  5. Step 5: Solve for x
    x = 36,480,431,419,814,792/273,239,958.39
  6. Step 6: Final answer
    x = 133,510,602.31

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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.