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Finding the Fourth Proportional to 202,213,972.80, 303,320,959.20 and 202,213,972.80

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Solution

The fourth proportional to 202,213,972.80, 303,320,959.20 and 202,213,972.80 is: 303,320,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,213,972.80 : 303,320,959.20 = 202,213,972.80 : x
  2. Step 2: Convert to fraction form
    202,213,972.80/303,320,959.20 = 202,213,972.80/x
  3. Step 3: Cross multiply
    202,213,972.80x = 303,320,959.20 × 202,213,972.80
  4. Step 4: Simplify right side
    202,213,972.80x = 61,335,736,193,338,712
  5. Step 5: Solve for x
    x = 61,335,736,193,338,712/202,213,972.80
  6. Step 6: Final answer
    x = 303,320,959.20

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.