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Finding the Fourth Proportional to 245,662.88, 368,494.51 and 68,170.07

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Solution

The fourth proportional to 245,662.88, 368,494.51 and 68,170.07 is: 102,255.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,662.88 : 368,494.51 = 68,170.07 : x
  2. Step 2: Convert to fraction form
    245,662.88/368,494.51 = 68,170.07/x
  3. Step 3: Cross multiply
    245,662.88x = 368,494.51 × 68,170.07
  4. Step 4: Simplify right side
    245,662.88x = 25,120,294,528.42
  5. Step 5: Solve for x
    x = 25,120,294,528.42/245,662.88
  6. Step 6: Final answer
    x = 102,255.15

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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.