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Finding the Fourth Proportional to 183,972,440.70, 275,958,661.32 and 74,772,027.18

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Solution

The fourth proportional to 183,972,440.70, 275,958,661.32 and 74,772,027.18 is: 112,158,040.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,972,440.70 : 275,958,661.32 = 74,772,027.18 : x
  2. Step 2: Convert to fraction form
    183,972,440.70/275,958,661.32 = 74,772,027.18/x
  3. Step 3: Cross multiply
    183,972,440.70x = 275,958,661.32 × 74,772,027.18
  4. Step 4: Simplify right side
    183,972,440.70x = 20,633,988,524,775,456
  5. Step 5: Solve for x
    x = 20,633,988,524,775,456/183,972,440.70
  6. Step 6: Final answer
    x = 112,158,040.88

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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.