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Finding the Fourth Proportional to 202,213,989.30, 303,320,983.95 and 202,213,989.30

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Solution

The fourth proportional to 202,213,989.30, 303,320,983.95 and 202,213,989.30 is: 303,320,983.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,213,989.30 : 303,320,983.95 = 202,213,989.30 : x
  2. Step 2: Convert to fraction form
    202,213,989.30/303,320,983.95 = 202,213,989.30/x
  3. Step 3: Cross multiply
    202,213,989.30x = 303,320,983.95 × 202,213,989.30
  4. Step 4: Simplify right side
    202,213,989.30x = 61,335,746,202,930,776
  5. Step 5: Solve for x
    x = 61,335,746,202,930,776/202,213,989.30
  6. Step 6: Final answer
    x = 303,320,983.95

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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.