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Finding the Fourth Proportional to 123,563.48, 183,755.63 and 119,626.88

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Solution

The fourth proportional to 123,563.48, 183,755.63 and 119,626.88 is: 177,901.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,563.48 : 183,755.63 = 119,626.88 : x
  2. Step 2: Convert to fraction form
    123,563.48/183,755.63 = 119,626.88/x
  3. Step 3: Cross multiply
    123,563.48x = 183,755.63 × 119,626.88
  4. Step 4: Simplify right side
    123,563.48x = 21,982,112,699.33
  5. Step 5: Solve for x
    x = 21,982,112,699.33/123,563.48
  6. Step 6: Final answer
    x = 177,901.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.