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Finding the Fourth Proportional to 68,697.08, 102,904.08 and 33,053.12

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Solution

The fourth proportional to 68,697.08, 102,904.08 and 33,053.12 is: 49,511.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,697.08 : 102,904.08 = 33,053.12 : x
  2. Step 2: Convert to fraction form
    68,697.08/102,904.08 = 33,053.12/x
  3. Step 3: Cross multiply
    68,697.08x = 102,904.08 × 33,053.12
  4. Step 4: Simplify right side
    68,697.08x = 3,401,300,904.73
  5. Step 5: Solve for x
    x = 3,401,300,904.73/68,697.08
  6. Step 6: Final answer
    x = 49,511.58

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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.