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Finding the Fourth Proportional to 272,219.52, 408,179.52 and 101,354.88

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Solution

The fourth proportional to 272,219.52, 408,179.52 and 101,354.88 is: 151,976.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,219.52 : 408,179.52 = 101,354.88 : x
  2. Step 2: Convert to fraction form
    272,219.52/408,179.52 = 101,354.88/x
  3. Step 3: Cross multiply
    272,219.52x = 408,179.52 × 101,354.88
  4. Step 4: Simplify right side
    272,219.52x = 41,370,986,268.06
  5. Step 5: Solve for x
    x = 41,370,986,268.06/272,219.52
  6. Step 6: Final answer
    x = 151,976.56

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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.