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Finding the Fourth Proportional to 68,539.49, 102,783.71 and 23,551.53

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Solution

The fourth proportional to 68,539.49, 102,783.71 and 23,551.53 is: 35,318.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,539.49 : 102,783.71 = 23,551.53 : x
  2. Step 2: Convert to fraction form
    68,539.49/102,783.71 = 23,551.53/x
  3. Step 3: Cross multiply
    68,539.49x = 102,783.71 × 23,551.53
  4. Step 4: Simplify right side
    68,539.49x = 2,420,713,511.82
  5. Step 5: Solve for x
    x = 2,420,713,511.82/68,539.49
  6. Step 6: Final answer
    x = 35,318.52

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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.