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Finding the Fourth Proportional to 240,422.55, 360,616.77 and 82,647.51

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Solution

The fourth proportional to 240,422.55, 360,616.77 and 82,647.51 is: 123,965.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,422.55 : 360,616.77 = 82,647.51 : x
  2. Step 2: Convert to fraction form
    240,422.55/360,616.77 = 82,647.51/x
  3. Step 3: Cross multiply
    240,422.55x = 360,616.77 × 82,647.51
  4. Step 4: Simplify right side
    240,422.55x = 29,804,078,104.74
  5. Step 5: Solve for x
    x = 29,804,078,104.74/240,422.55
  6. Step 6: Final answer
    x = 123,965.40

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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.