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Finding the Fourth Proportional to 240,040.54, 360,104.55 and 82,284.94

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Solution

The fourth proportional to 240,040.54, 360,104.55 and 82,284.94 is: 123,442.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,040.54 : 360,104.55 = 82,284.94 : x
  2. Step 2: Convert to fraction form
    240,040.54/360,104.55 = 82,284.94/x
  3. Step 3: Cross multiply
    240,040.54x = 360,104.55 × 82,284.94
  4. Step 4: Simplify right side
    240,040.54x = 29,631,181,290.48
  5. Step 5: Solve for x
    x = 29,631,181,290.48/240,040.54
  6. Step 6: Final answer
    x = 123,442.40

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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.