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Finding the Fourth Proportional to 245,453.14, 368,180.16 and 67,960.66

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Solution

The fourth proportional to 245,453.14, 368,180.16 and 67,960.66 is: 101,941.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,453.14 : 368,180.16 = 67,960.66 : x
  2. Step 2: Convert to fraction form
    245,453.14/368,180.16 = 67,960.66/x
  3. Step 3: Cross multiply
    245,453.14x = 368,180.16 × 67,960.66
  4. Step 4: Simplify right side
    245,453.14x = 25,021,766,672.51
  5. Step 5: Solve for x
    x = 25,021,766,672.51/245,453.14
  6. Step 6: Final answer
    x = 101,941.11

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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.