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Finding the Fourth Proportional to 201,204,657.20, 301,806,985.80 and 193,551,906.80

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Solution

The fourth proportional to 201,204,657.20, 301,806,985.80 and 193,551,906.80 is: 290,327,860.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,204,657.20 : 301,806,985.80 = 193,551,906.80 : x
  2. Step 2: Convert to fraction form
    201,204,657.20/301,806,985.80 = 193,551,906.80/x
  3. Step 3: Cross multiply
    201,204,657.20x = 301,806,985.80 × 193,551,906.80
  4. Step 4: Simplify right side
    201,204,657.20x = 58,415,317,587,150,528
  5. Step 5: Solve for x
    x = 58,415,317,587,150,528/201,204,657.20
  6. Step 6: Final answer
    x = 290,327,860.20

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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.