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Finding the Fourth Proportional to 68,362.87, 102,554.56 and 23,981.81

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Solution

The fourth proportional to 68,362.87, 102,554.56 and 23,981.81 is: 35,976.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,362.87 : 102,554.56 = 23,981.81 : x
  2. Step 2: Convert to fraction form
    68,362.87/102,554.56 = 23,981.81/x
  3. Step 3: Cross multiply
    68,362.87x = 102,554.56 × 23,981.81
  4. Step 4: Simplify right side
    68,362.87x = 2,459,443,489.76
  5. Step 5: Solve for x
    x = 2,459,443,489.76/68,362.87
  6. Step 6: Final answer
    x = 35,976.30

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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.