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Finding the Fourth Proportional to 68,603.52, 102,949.20 and 37,035.56

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Solution

The fourth proportional to 68,603.52, 102,949.20 and 37,035.56 is: 55,577.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,603.52 : 102,949.20 = 37,035.56 : x
  2. Step 2: Convert to fraction form
    68,603.52/102,949.20 = 37,035.56/x
  3. Step 3: Cross multiply
    68,603.52x = 102,949.20 × 37,035.56
  4. Step 4: Simplify right side
    68,603.52x = 3,812,781,273.55
  5. Step 5: Solve for x
    x = 3,812,781,273.55/68,603.52
  6. Step 6: Final answer
    x = 55,577.05

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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.