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Finding the Fourth Proportional to 245,447.88, 368,172.29 and 67,955.41

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Solution

The fourth proportional to 245,447.88, 368,172.29 and 67,955.41 is: 101,933.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,447.88 : 368,172.29 = 67,955.41 : x
  2. Step 2: Convert to fraction form
    245,447.88/368,172.29 = 67,955.41/x
  3. Step 3: Cross multiply
    245,447.88x = 368,172.29 × 67,955.41
  4. Step 4: Simplify right side
    245,447.88x = 25,019,298,917.59
  5. Step 5: Solve for x
    x = 25,019,298,917.59/245,447.88
  6. Step 6: Final answer
    x = 101,933.25

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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.