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Finding the Fourth Proportional to 240,328.95, 360,517.86 and 82,536.90

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Solution

The fourth proportional to 240,328.95, 360,517.86 and 82,536.90 is: 123,813.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,328.95 : 360,517.86 = 82,536.90 : x
  2. Step 2: Convert to fraction form
    240,328.95/360,517.86 = 82,536.90/x
  3. Step 3: Cross multiply
    240,328.95x = 360,517.86 × 82,536.90
  4. Step 4: Simplify right side
    240,328.95x = 29,756,026,559.03
  5. Step 5: Solve for x
    x = 29,756,026,559.03/240,328.95
  6. Step 6: Final answer
    x = 123,813.74

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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.