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Finding the Fourth Proportional to 68,235.00, 102,338.37 and 18,303.22

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Solution

The fourth proportional to 68,235.00, 102,338.37 and 18,303.22 is: 27,451.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,235.00 : 102,338.37 = 18,303.22 : x
  2. Step 2: Convert to fraction form
    68,235.00/102,338.37 = 18,303.22/x
  3. Step 3: Cross multiply
    68,235.00x = 102,338.37 × 18,303.22
  4. Step 4: Simplify right side
    68,235.00x = 1,873,121,897.11
  5. Step 5: Solve for x
    x = 1,873,121,897.11/68,235.00
  6. Step 6: Final answer
    x = 27,451.04

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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.