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Finding the Fourth Proportional to 163,313.25, 244,969.88 and 52,505.25

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Solution

The fourth proportional to 163,313.25, 244,969.88 and 52,505.25 is: 78,757.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,313.25 : 244,969.88 = 52,505.25 : x
  2. Step 2: Convert to fraction form
    163,313.25/244,969.88 = 52,505.25/x
  3. Step 3: Cross multiply
    163,313.25x = 244,969.88 × 52,505.25
  4. Step 4: Simplify right side
    163,313.25x = 12,862,204,529.34
  5. Step 5: Solve for x
    x = 12,862,204,529.34/163,313.25
  6. Step 6: Final answer
    x = 78,757.88

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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.