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Finding the Fourth Proportional to 240,672.25, 361,027.82 and 74,460.25

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Solution

The fourth proportional to 240,672.25, 361,027.82 and 74,460.25 is: 111,696.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,672.25 : 361,027.82 = 74,460.25 : x
  2. Step 2: Convert to fraction form
    240,672.25/361,027.82 = 74,460.25/x
  3. Step 3: Cross multiply
    240,672.25x = 361,027.82 × 74,460.25
  4. Step 4: Simplify right side
    240,672.25x = 26,882,221,734.16
  5. Step 5: Solve for x
    x = 26,882,221,734.16/240,672.25
  6. Step 6: Final answer
    x = 111,696.39

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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.