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Finding the Fourth Proportional to 183,972,428.89, 275,958,643.60 and 74,772,015.37

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Solution

The fourth proportional to 183,972,428.89, 275,958,643.60 and 74,772,015.37 is: 112,158,023.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,972,428.89 : 275,958,643.60 = 74,772,015.37 : x
  2. Step 2: Convert to fraction form
    183,972,428.89/275,958,643.60 = 74,772,015.37/x
  3. Step 3: Cross multiply
    183,972,428.89x = 275,958,643.60 × 74,772,015.37
  4. Step 4: Simplify right side
    183,972,428.89x = 20,633,983,940,147,120
  5. Step 5: Solve for x
    x = 20,633,983,940,147,120/183,972,428.89
  6. Step 6: Final answer
    x = 112,158,023.16

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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.