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Finding the Fourth Proportional to 165,149.89, 227,907.99 and 89,698.39

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Solution

The fourth proportional to 165,149.89, 227,907.99 and 89,698.39 is: 123,784.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,149.89 : 227,907.99 = 89,698.39 : x
  2. Step 2: Convert to fraction form
    165,149.89/227,907.99 = 89,698.39/x
  3. Step 3: Cross multiply
    165,149.89x = 227,907.99 × 89,698.39
  4. Step 4: Simplify right side
    165,149.89x = 20,442,979,201.37
  5. Step 5: Solve for x
    x = 20,442,979,201.37/165,149.89
  6. Step 6: Final answer
    x = 123,784.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.