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Finding the Fourth Proportional to 201,801,577.92, 278,486,166.87 and 108,982,076.82

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Solution

The fourth proportional to 201,801,577.92, 278,486,166.87 and 108,982,076.82 is: 150,395,260.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,801,577.92 : 278,486,166.87 = 108,982,076.82 : x
  2. Step 2: Convert to fraction form
    201,801,577.92/278,486,166.87 = 108,982,076.82/x
  3. Step 3: Cross multiply
    201,801,577.92x = 278,486,166.87 × 108,982,076.82
  4. Step 4: Simplify right side
    201,801,577.92x = 30,350,000,831,133,676
  5. Step 5: Solve for x
    x = 30,350,000,831,133,676/201,801,577.92
  6. Step 6: Final answer
    x = 150,395,260.25

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.