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Finding the Fourth Proportional to 68,101.66, 102,247.26 and 34,844.68

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Solution

The fourth proportional to 68,101.66, 102,247.26 and 34,844.68 is: 52,315.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,101.66 : 102,247.26 = 34,844.68 : x
  2. Step 2: Convert to fraction form
    68,101.66/102,247.26 = 34,844.68/x
  3. Step 3: Cross multiply
    68,101.66x = 102,247.26 × 34,844.68
  4. Step 4: Simplify right side
    68,101.66x = 3,562,773,055.58
  5. Step 5: Solve for x
    x = 3,562,773,055.58/68,101.66
  6. Step 6: Final answer
    x = 52,315.51

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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.