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Finding the Fourth Proportional to 27,203,983.20, 40,805,974.80 and 27,203,983.20

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Solution

The fourth proportional to 27,203,983.20, 40,805,974.80 and 27,203,983.20 is: 40,805,974.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,203,983.20 : 40,805,974.80 = 27,203,983.20 : x
  2. Step 2: Convert to fraction form
    27,203,983.20/40,805,974.80 = 27,203,983.20/x
  3. Step 3: Cross multiply
    27,203,983.20x = 40,805,974.80 × 27,203,983.20
  4. Step 4: Simplify right side
    27,203,983.20x = 1,110,085,052,918,823.25
  5. Step 5: Solve for x
    x = 1,110,085,052,918,823.25/27,203,983.20
  6. Step 6: Final answer
    x = 40,805,974.80

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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.