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Finding the Fourth Proportional to 183,815.20, 275,755.20 and 65,555.20

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Solution

The fourth proportional to 183,815.20, 275,755.20 and 65,555.20 is: 98,344.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,815.20 : 275,755.20 = 65,555.20 : x
  2. Step 2: Convert to fraction form
    183,815.20/275,755.20 = 65,555.20/x
  3. Step 3: Cross multiply
    183,815.20x = 275,755.20 × 65,555.20
  4. Step 4: Simplify right side
    183,815.20x = 18,077,187,287.04
  5. Step 5: Solve for x
    x = 18,077,187,287.04/183,815.20
  6. Step 6: Final answer
    x = 98,344.36

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1.5x scale

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.