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Finding the Fourth Proportional to 163,287.45, 244,940.30 and 50,983.17

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Solution

The fourth proportional to 163,287.45, 244,940.30 and 50,983.17 is: 76,477.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,287.45 : 244,940.30 = 50,983.17 : x
  2. Step 2: Convert to fraction form
    163,287.45/244,940.30 = 50,983.17/x
  3. Step 3: Cross multiply
    163,287.45x = 244,940.30 × 50,983.17
  4. Step 4: Simplify right side
    163,287.45x = 12,487,832,699.84
  5. Step 5: Solve for x
    x = 12,487,832,699.84/163,287.45
  6. Step 6: Final answer
    x = 76,477.60

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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.